LPL Search

With LPL since: 1977

Current Projects:
Mineralogic and trace element studies of meteorites and impact events
Internal stratigraphy and provenance of K/T boundary sediments
Remote sensing gamma-ray spectrometry
Instrumentation for chemical analysis of planetary surfaces
Mars surface chemistry
Development of GRS for remote and in-situ analysis (Comet Nucleus Penetrator)
Development of a differential scanning calorimeter

Current LPL PhD students:
Barbara Cohen

Current LPL postdocs:
David Kring

Classes taught:
PtyS 520 Meteorites

Selected Memberships/Committee Positions:
NASA Planetary Cartography Working Group
Mars Environmental Survey (MESUR) Sciences Definition Team
NASA Rosetta Advisory Group
Curation and Analysis Planning Team for Extraterrestrial Materials
Member: AAS/DPS, Meteoritical Society, AGU, American Chemical Society

Spacecraft involvement:
Mars Observer-- Team Leader: Gamma-Ray Spectrometer

REFEREED PUBLICATIONS

Bulk, rare earth and other trace elements in Apollo 14 and 15 and Lunar 16 samples, J. C. Laul, H. Wakita, D. Showalter, W. V. Boynton, and R. A. Schmitt, Proc. 3rd Lunar Science Conf. 1, 1181-1200, 1972.

A precise timing method for the determination of short half-lives, L. L. Nunnelly, W. V. Boynton, and W. D. Loveland, Nucl. Inst. Methods 105, 593- 594, 1972.

Fractionation in the solar nebula: Condensation of yttrium and the rare- earth elements, W. V. Boynton, Geochim. Cosmochim. Acta 39, 569-584, 1975.

Mixing and transport of lunar surface materials: Evidence obtained by the determination of lithophile, siderophile, and volatile elements, W. V. Boynton, P. A. Baedecker, C. L. Chou, K. L. Robinson, and J. T. Wasson, Proc. 6th Lunar Sci. Conf. 2, 2241-2259, 1975.

Element distribution in size fractions of Apollo 16 soils: Evidence for elemental mobility during regolith processes, W. V. Boynton, C. L. Chou, R. W. Bild, P. A. Baedecker, and J. T. Wasson, Earth Planet. Sci. Lett. 29, 21-33, 1975.

Volatile on the surface of Apollo 15 green glass and trace element distributions among Apollo 15 soils, C. L. Chou, W.V.Boynton, L. L. Sundberg, and J. T. Wasson, Proc. 6th Lunar Sci. Conf. 1, 1701-1727, 1975.

Compositional evidence regarding the influx of interplanetary materials on the lunar surface, J. T. Wasson, W. V. Boynton, C. L. Chou, and P. A. Baedecker, The Moon 13, 121-141, 1975.

Lithophiles, siderophiles, and volatiles in Apollo 16 soils and rocks, W. V. Boynton, C. L. Chou, K. L.Robinson, P. H. Warren, and J. T. Wasson, Proc. 7th Lunar Sci. Conf. 1, 727-742, 1976.

Chemical evidence for the genesis of the ureilites, the achondrite Chassigny and the Nakhlites, W. V. Boynton, P. M. Starzyk, and R. A. Schmitt, Geochim. Cosmochim. Acta 40, 1439-1447, 1976.

Trace element evidence regarding a chondritic component in howardite meteorites, C. L. Chou, W. V. Boynton, R. W. Bild, J. Kimberlin, and J. T. Wasson, Proc. 7th Lunar Sci. Conf. 3, 3501-3518, 1976.

Rare earth element abundances in rocks and minerals from the Fiskenaesset complex, West Greenland, P. Henderson, S. J. Fishlock, J. C. Laul, T. D. Cooper, R. L. Conard, W. V. Boynton, and R. A. Schmitt, Earth Planet. Sci. Lett. 30, 37-49, 1976.

Volatile compounds released during lunar lava-fountaining, J. T. Wasson, W. V. Boynton, G.W. Kallemeyn, L. L. Sundberg, and C. M. Wai, Proc. 7th Lunar Sci. Conf. 1, 1583-1595, 1976.

Distribution of 28 elements in size fractions of lunar mare and highlands soils, W. V. Boynton and J. T. Wasson, Geochim. Cosmochim. Acta 41, 1073- 1082, 1977.

Genesis of howardites, diogenites, and eucrites, T. Fukuoka, W. V. Boynton, M.-S. Ma, and R.A. Schmitt, Proc. 8th Lunar Sci. Conf., 187- 210, 1977.

Solar wind nitrogen: Mechanisms for isotopic evolution, J. F. Kerridge, I. R. Kaplan, R. E. Lingenfelter, and W. V. Boynton, Proc. 8th Lunar Sci. Conf., 3773-3789, 1977.

Determination of ten trace elements in meteorites and lunar materials by radiochemical neutron activation analysis, L. L. Sundberg and W. V. Boynton, Anal. Chim. Acta 89, 127-140, 1977.

SCCRV, a major component of highlands rocks, J. T. Wasson, P. H. Warren, G. W. Kallemeyn, C. E. McEwing, D. W. Mittlefehldt, and W. V. Boynton, Proc. 8th Lunar Sci. Conf., 2237-2252, 1977.

Fractionation in the solar nebula - II. Condensation of Th, U, Pu, and Cm, W. V. Boynton, Earth Planet. Sci. Lett. 40, 63-70, 1978.

Formation of the Bencubbin polymict meteorite breccia, G. W. Kallemeyn, W. V. Boynton, J. Willis, and J. T. Wasson, Geochim. Cosmochim. Acta 42, 507-515, 1978.

The chaotic solar nebula: Evidence for episodic condensation in several distinct zones, W. V. Boynton, in Protostars and Planets (T. Gehrels, ed.), 427-438, University of Arizona Press, 1978.

Analytical chemistry of the rare earths, W. V. Boynton, in Handbook on the Physics and Chemistry of the Rare Earths (K. A. Gschneidner and L. Eyring, eds.), 457-470, Amsterdam, North-Holland, 1979.

Magnetite in C1 carbonaceous meteorites: Origin by aqueous activity on a planetesimal surface, J.F.Kerridge, A. L. Mackay, and W. V. Boynton, Science 205, 395-397, 1979.

Superheavy Elements: An early solar system upper limit for elements 107 to 110, S. Nozette and W. V. Boynton, Science 214, 331-333, 1981.

Cosmochemistry of the rare earth elements: Meteorite studies, W. V. Boynton, in Rare Earth Element Geochemistry (P. Henderson, ed.), 63-114, Elsevier Press, 1983.

Composition of bulk samples and a possible pristine clast from Allan Hills A81005, W. V. Boynton and D. H. Hill, G. Res. Lett. 10, 837-840, 1983.

Petrology and chemistry of hyperferroan anorthosites and other clasts from lunar meteorite ALHA 81005, C. A. Goodrich, G. J. Taylor, K. Keil, W. V. Boynton and D. H. Hill, Proc. 15th Lunar Planet. Sci. Conf., J. Geophys. Res. 89, C87-C94, 1984.

Trace elements in rims and interiors of Chainpur chondrules, L. L. Wilkening, W. V. Boynton and D. H. Hill, Geochim. Cosmochim. Acta 48, 1071-1080, 1984.

Meteoritic evidence concerning conditions in the solar nebula, W. V. Boynton, in Protostars and Planets II (D. C. Black and M. S. Matthews, eds.), Univ. of Arizona Press, 772-787, 1985.

Rare earth and other elements in components of the Abee enstatite chondrite, R. M. Frazier and W. V. Boynton, Meteoritics 20, 197-218, 1985.

rims: evidence for high temperature events in the post-formation of Ca-Al-rich inclusion, W. V. Boynton and D. A. Wark, Meteoritics 20, 613-614, 1985.

Elemental analysis of a comet nucleus by passive gamma-ray spectrometry from a penetrator, L. G. Evans, J. I. Trombka and W. V. Boynton, J. Geophys. Res. 91, D525-D532, 1986.

Trace element geochemistry of volcanic gases and particles from 1983-1984 eruptive episodes of Kilauea Volcano, B. M. Crowe, D. L. Finnegan, W. H. Zoller and W. V. Boynton, J. Geophys. Res. 92, 13,708-13,714, 1987.

The case for planetary sample return missions: 1. Origin of the solar system, M. J. Drake, W. V. Boynton and D. P. Blanchard, EOS 68, No. 8, 105, 111-113, 1987.

Trace element and petrologic clues to the formation of forsterite-bearing Ca,Al-rich inclusions in the Allende meteorite, D. A. Wark, W. V. Boynton, R. R. Keays and H. Palme, Geochim. Cosmochim. Acta 51, 607-622, 1987.

Partitioning of rare-earth elements between hibonite and melt and implications for nebular condensation of the rare-earth elements, M. J. Drake and W. V. Boynon, Meteoritics 23, 75-80, 1988.

Nebular processes associated with CAI rim formation, W. V. Boynton, Meteoritics 23, 259, 1988.

Scientific considerations in the design of the Mars Observer Gamma-Ray Spectrometer, J. R. Arnold, W. V. Boynton, P. Englert, W. C. Feldman, A. E. Metzger, R. C. Reedy, S. W. Squyres, J.I. Trombka, H. Wänke, in Proceedings of the Conference on High Energy Radiation in Space, (A.C. Rester and J.I. Trombka, eds.), American Institute of Physics Conference Proceedings 186 (American Institute of Physics, New York), pp. 453-467, 1988.

Cosmochemistry of rare-earth elements: Condensation and evaporation processes, W. V. Boynton, in Reviews in Mineralogy--Geochemistry and Mineralogy of Rare Earth Elements (B. R. Lipin and G. A. McKay, eds.) 21, 1-24, 1989.

Chemical, isotopic and mineralogical evidence for the origin of matrix in ordinary chondrites, A. J. Brearley, E. R. D. Scott, K. Keil, R. N. Clayton, T. K. Mayeda, W. V. Boynton, and D. H. Hill, Geochim. Cosmochim. Acta 53, 2081-2093, 1989.

Proximal Cretaceous-Tertiary boundary impact deposits in the Caribbean, A. R. Hildebrand and W. V.  Boynton, Science 248, 843-847, 1990.

Cretaceous Ground Zero, A. R. Hildebrand and W. V. Boynton, Natural History, 46- 53, June 1991.

The Chicxulub Crater: A possible Cretaceous-Tertiary boundary impact crater on the Yucatan Peninsula, Mexico, A. R. Hildebrand, G. T. Penfield, D. A. Kring, M. Pilkington, A. Camargo, Z. S. Jacobsen, and W. V. Boynton, Geology 19, 867-871, 1991.

A new lunar meteorite found near Calcalong Creek, Australia, D. H. Hill, W. V. Boynton and R. A. Haag, Nature 352, 614-617, 1991.

A survey of CAIs in Leoville and Vigarano: Rim layers, brecciation, metamorphism, and alteration, A. Ruzicka and W. V. Boynton, Meteoritics 26, 390-391, 1991.

Zone sequences, widths and compositions of olivine coronas in mesosiderites, A. Ruzicka and W. V. Boynton, Meteoritics 26, 391, 1991.

Altered spherules of impact melt and associated relic glass from K/T boundary sediments in Haiti, D. A. Kring and W. V. Boynton, Geochim. Cosmochim. Acta 55, 1737-1742, 1991.

The petrogenesis of an augite-bearing melt rock in the Chicxulub structure and its relationship to K/T impact melt spherules in Haiti, D. A. Kring and W. V. Boynton, Nature 358, 141-144, 1992.

The petrology of an andesitic melt rock and a polymict breccia from the interior of the Chicxulub structure, Yucatan, Mexico, D. A. Kring, A. R. Hildebrand and W. V. Boynton, Lunar Planet. Sci. XXII, 755-756, 1991.

Trace element analysis of Ureilites: New constraints on their petrogenesis, A. H. Spitz and W. V. Boynton. Geochim. Cosmochim. Acta 55, 3417-3430, 1991.

A silica-rich, sodium-poor igneous clast in the Bovedy (L3) chondrite (abs.), A. Ruzicka and W. V. Boynton, Meteoritics 27, 283, 1992.

Science applications of the Mars Observer gamma-ray spectrometer, W. V. Boynton, J. I. Trombka, W. C. Feldman, J. R. Arnold, P. A. J. Englert, A. E. Metzger, R. C. Reedy, S. W. Squyres, H. Wänke, S. H. Bailey, J. Brückner, J. L. Callas, D. M. Drake, P. Duke, L. G. Evans, E. L. Haines, F. C. McCloskey, H. Mills, C. Shinohara, and R. Starr. J. Geophys. Res. 97, 7681-7698, 1992.

spectrometry, W. V. Boynton, L. G. Evans, R. C. Reedy and J. I. Trombka, in Remote Geochemical Analyses (C. Pieters and P. Englert, eds.), Cambridge University Press, 395-411, 1993.

Planetary neutron spectroscopy from orbit, W. C. Feldman, W. V. Boynton and D. Drake, in Remote Geochemical Analyses (C. Pieters and P. Englert, eds.), Cambridge University Press, 213-234, 1993.

Meteoritic constraints on conditions in the solar nebula, H. Palme and W. V. Boynton, in Protostars and Planets III (E. H. Levy, J. I. Lunine and M. S. Matthews, eds.), University of Arizona Press, 979-1004, 1992.

Summary: Working group on in-situ measurements, W. V. Boynton, in LPI Technical Report Number 93-02, Part 2, (J. Appleby, ed.), 12-13, 1993.

K/T melt glasses, D. A. Kring and W. V. Boynton, Nature 363, 503-504, 1993.

The trace element composition of a silica-rich clast in the Bovedy (L3/4) chondrite, A. Ruzicka, D. A. Kring, D. H. Hill and W. V. Boynton, Meteoritics 28, 426-427, 1993.

The provenance of mineral phases in the Cretaceous-Tertiary boundary sediments exposed on the southern peninsula of Haiti, D. A. Kring, A. R. Hildebrand and W. V. Boynton, Earth Planet. Sci. Lett. 128, 629-641, 1994.

Olivine coronas, metamorphism and the thermal history of the Morristown and Emery mesosiderites, A. Ruzicka, W. V. Boynton and J. Ganguly, Geochim. Cosmochim. Acta 58, 2725-2741, 1994.

Silica-rich orthopyroxenite in the Bovedy chondrite, A. Ruzicka, D. A. Kring, D. H. Hill, W. V. Boynton, R. N. Clayton and T. K. Mayeda, Meteoritics 30, 57-70, 1995.

Calibration of a Space Thermal/Epithermal Neutron Detector: The Mars Observer Gamma-Ray Spectrometer anticoincidence shield, W. C. Feldman, R. C. Byrd, B. L. Barraclough, J. E. Nordholt, H. O. Funsten, W. V. Boynton, S. H. Bailey and J. Moersch, Nuclear Instruments and Methods in Physical Research , Section A 362, 561-573, 1995.

The huygens surface science package, J. C. Zarnecki, M. Banaszkiewicz, M. Bannister, W. V. Boynton, P. Challenor, B. Clark, P. M. Danniell, J. Delderfiled, M. A. English, M. Fulchignoni, J. R. C. Garry, J. E. Geake, S. F. Green, B. Hathi, S. Jaroslawski, M. R. Lesse, R. D. Lorenz, J. A. M. McDonnell, N. Merryweather-Clarke, C. S. Mill, R. J. Miller, G. Newton, D. J. Parker, P. Rabbetts, H. Svedhem, R. F. Turner and M. J. Wright, Huygens: Science, Payload and Mission - European Space Agency, 177-195, 1997.

The x-ray/gamma-ray spectrometer on the NEAR earth asteroid rendezvous mission, J. O. Goldsten, R. L. McNuttt, R. E. Gold, S. A. Gary, E. Fiore, S. E. Schneider, J. R. Hayes, J. I. Trombka, S. R. Floyd, W. V. Boynton, S. Bailey, J. Bruckner, S. W. Squyres, L. G. Evans, P. E. Clark and R. Starr, Space Sciences Reviews 82, 169-216, 1997.

The determination of ice composition with instruments on cometary landers, W. V. Boynton, L. C. D=Uston, D. T. Young, J. I. Lunine, J. H. Waite, S. H. Bailey, J. J. Berthelier, J. L. Bertaux, V. Borrel, M. F. Burke, B. A. Cohen, D. H. McComas, J. E. Nordholt, L. G. Evans and J. I, Trombka, Acta Astronautica 40, 663-674, 1997.

Compositional mapping with the NEAR x ray/gamma ray spectrometer, J. I. Trombka, S. R. Floyd, W. V.

Boynton, S. Bailey, J. Bruckner, S. W. Squyres, L. G. Evans, P. E. Clark, R. Starr, E. Fiore, R. Gold, J. Goldsten and R. McNutt, Journal of Geophysical Research 102, 23,729- 23,750, 1997.

Gamma-Ray burst arrival time localizations: simultaneous observations, by mars observer, compton gamma ray observatory, and ulysses, J. G. Laros, W. V. Boynton, K. C. Hurley, C. Kouveliotou, M. L. McCollough, G. J. Fishman, C. A. Meegan, D. M. Palmer, T. L. Cline, R. D. Starr, J. I. Trombka, M. Boer, M. Niel, A. E. Metzger, The Astrophysical Journal 110, 157-161, 1997.

Noble gases, bulk chemistry, and petrography of olivine-rich achondrites Eagles Nest and LEW88763: Comparison to brachinites, T. D. Swindle, D. A. Kring, M. K. Burkland, D. H. Hill, and W. V. Boynton, Meteoritics and Planetary Science 33, 31-48, 1998.

Martian mantle evolution from the hafnium isotope perspective, J. Blichert- Toft, F. Albarede, J. D.

Gleason, D. A. Kring, D. H. Hill, W. V. Boynton, Meteoritics and Planetary Science 32, A16- A17, 1998.

Cruise Measurements Taken with the Near XGRS, R. Starr, P. E. Clark, L. G. Evans, S. R. Floyd, T. P.

McClanahan, J. I. Trombka, W. V. Boynton, S. Bailey, J. Bruckner, S. W. Squyres, J. O. Goldsten, R. L. McNutt, Elsevier - Advances in Space Research 24, 1163-1166, 1999.

Charged-particle induced radiation damage of a HPGe gamma-ray detector during spaceflight, L. G. Evan, R. Starr, J. Bruckner, W. V. Boynton, S. H. Bailey, J. I. Trombka, Nucl. Instru. Methods Phys. Res., Sect. A. Vol. 422. 586- 590, 1999.

Data processing for the Near Earth Asteroid Rendezvous (NEAR) X-ray and Gamma-Ray Spectrometer (XGRS) ground system, T. P. McClanahan, I. Mikheeva, J. I. Trombka, S. R.Floyd, W. V. Boynton, H. Bailey, J. Bhangoo, R. Starr, P. E. Clark, L. G. Evans, S. Squyres, E. McCartney, E. Noe, R. McNutt, J. Bruckner, Proc. SPIE - Int. Soc. Opt. Eng., Vol. 3768, 74 - 87, 1999.

Instrument Calibrations and Data Analysis Procedures for the NEAR-X-Ray Spectrometer, R. Starr, P. E. Clark, M. E. Murphy, S. R. Floyd, T. P. McClanahan, L. R. Nittler, J. I. Trombka, L. G. Evans, W. V. Boynton, S. H. Bailey, J. Bhangoo, I. Mikheeva, J. Bruckner, S. W. Squyres, E. M. McCartney, J. O. Goldsten, R. L. McNutt, Icarus, Vol 147, 498 - 519, 2000.

The Elemental Composition of Asteroid 433 Eros: Results of the NEAR- Shoemaker X-ray Spectrometer, J. I. Trombka, S. W. Squyres, J. Bruckner, W. V. Boynton, R. C. Reedy, T. J. McCoy, P. Gorenstein, L. G. Evans, J. R. Arnold, R. D. Starr, R. L. McNutt jr., T. P. McClanahan, E. McCartney, J. O. Goldsten, R. E. Gold, S. R. Floyd, P. E. Clark, T. H. Burbine, J. S. Bhangoo, S. H. Bailey and M. Petaev, Science 289, Issue 5487, 2101-2105, 2000.

The Chemical Composition of Asteroid 433 Eros: Preliminary Results of the NEAR-Shoemaker X-Ray/Gamma-Ray Spectromter, J. I. Trombka, L. R. Nittler, W. V. Boynton, J. Bruckner, S. W. Squyres, J. R. Arnold, L. G. Evans, P. Gorenstein, K. C. Hurley, T. J. McCoy, R. C. Reedy, S. Bailey, T. H. Burbine, J. S. Bhangoo, P. E. Clark, S. R. Floyd, R. E. Gold, T. P. McClanahan, E. McCartney, J. O. Goldsten, R. L. McNutt, I. Mikheeva, M. E. Murphy, R. D. Starr, Meteoritics & Planetary Science 35, p.A159, 2000.

The MVACS tunable diode laser spectrometers, R. D. May, S. Forouhan, D. Crisp, W. S. Woodward, D. A. Page, A. Pattare, W. V. Boynton, Journal of Geophysical 106, 17673- 17682, 2001.

Elemental Composition of Asteroid 433 Eros: Results from the NEAR-Shoemaker x-ray/gamma-ray spectrometer and comparison with meteorites, W. V. Boynton, J. I. Trombka, R. D. Starr, L. G. Evans, L. R. Nittler, T. J. McCoy, T. H. Burbine, J. Bruckner, P. Gorenstein, S. W. Squyres, J. O. Goldsten, L. Lim, K. Hurley, R. C. Reedy, P. E. Clar, S. R. Floyd, T. P. McClanahan, J. E. McCartney, J. Branscomb, D. K. Hamara, J. S. Bhangoo, I. Mikheeva, M. E. Murphy, Meteoritics & Planetary Science 36, A27, 2001.

Elemental composition from gamma-ray spectroscopy of the NEAR-Shoemaker landing site on 433 Eros, L. G. Evans, R. D. Starr, J. Bruckner, R. C. Reedy, W. V. Boynton, J. I, Trombka, J. O. Goldsten, J. Masarik, L. R. Nittler and T. J. McCoy, Meteoritics & Planetary Science 36, 1639-1660, 2001.

Elemental Site on 433 Eros, L. G. Evans, R. D. Starr, J. Bruckner, R. C. Reedy, W. V. Boynton, J. I. Trombka, J. O. Goldstein, J. Masarik, L. R. Nittler, T. J. McCoy, Meteoritics and Planetary Science 36, 1639-1660, 2001

NEAR-Shoemaker x-ray/gamma-ray spectrometer experiment: overview and lessons learned, J. I. Trombka, L. R. Nittler, R. D. Starr, L. G. Evans, T. J. McCoy, W. V. Boynton, T. H. Burbine, J. Bruckern, P. Gorenstein, S. W. Squyres, R. C. Reedy, J. O. Goldsten, L. Lim, K. Hurley, P. E. Clark, S. R. Floyd, T. P. McClanahan, E. McCartney, J. Branscomb, J. S. Bhangoo, I. Mikheeva and M. E. Murphy, Meteoritics and Planetary Science 36, 1605-1616, 2001.

The composition of 433 Eros: A mineralogical-chemical synthesis, T. J. McCoy, T. H. Burbine, L. A. McFadden, R. D. Starr, J. J. Gaffey, L. R. Nittler, L. G. Evans, N. Izenberg, P. Lucey, J. I. Trombka, J. F. Bell, III, B. E. Clark, P. E. Clark, S. W. Squyres, C. R. Chapman, W. V. Boynton and J. Veverka, Meteoritics & Planetary Science 36, 1661-72, 2001

X-ray fluorescence measurements of the surface elemental composition of asteroid 433 Eros. L. R. Nittler, R. D. Starr, L. Lim, T. J. McCoy, T. H. Burbine, R. C. Reedy, J. I. Trombka, P. Gorenstein, S. W. Squyres, W. V. Boynton, T. P. McClanahan, J. S. Bhangoo, P. E. Clark, M. E. Murphy and R. Killen: Meteoritics & Planetary Science 36, 1673-1695, 2001.

The messenger mission to Mercury: Scientific objectives and implementation, S. C. Solomon, R. L. McNutt, R. E. Gold, W. V. Boynton and R. G. Strom, Planetary and Space Science 49 1445-1465, 2001.

Thermal and evolved gas analyzer: Part of the mars volatile and climate surveyor integrated payload, W. V. Boynton, S. H. Bailey, D. K. Hamara, M. S. Williams, R. C. Bode, M. R. Fitzgibbon, W. Ko, M. G. Ward, K. R. Sridhar, J. A. Blanchard, R. D. Lorenz, R. D. May, D. A. Paige, A. V. Pathare, D. A. Kring, L. A. Leshin, D. W. Ming, A. P. Zent, D. C. Golden, K. E. Kerry, H. Vern Laurer Jr. and R. C. Quinn, Journal of Geophysical 106, 17,683- 17,698, 2001.

Itqiy: A metal-rich enstatite meteorite with achondritic texture, A. Patzer, D. H. Hill, W. V. Boynton, Meteoritics & Planetary Science 36, 1495-1505, 2001.

The formation of rims on calcium-aluminum-rich inclusions: Step I - flash heating, D. Wark and W. V. Boynton, Meteoritics & Planetary Science 36, 1135-1166, 2001.

Itqiy: A study of noble gases and oxygen isotopes including its terrestrial age and a comparison with Zakodzie, Meteoritics & Planetary Science 37, 2002.

2001 Mars Odyssey Mission, R. S. Saunders, R. A. Arvidson, G. Badwahr, W. V. Boynton, P. Christensen, F. A. Cucinotta, R. G. Gibbs, C. Kloss Jr., M. R. Landano, R. A. Mase, M. Meyer, G. Pace, J. J. Plaut, W. Sidney, G. W. McSmith, D. A. Spencer, T. W. Thompson, Submitted to Space Science Review, May 2002.

New eucrite DaG872: Petrology, chemical composition and evolution, A. Patzer, D. H. Hill, W. V. Boynton, submitted to Meteoritics & Planetary Science, May 2002

Chemistry of the Calcalong Creek lunar meteorite and its relationship to lunar terranes, submitted to Meteoritics & Planetary Science, May 2002.

The Mars Odyssey Gamma-Ray Spectrometer Instrument Suite, W. V. Boynton, W. C. Feldman, Mitrofanov, L. G. Evans, R. C. Reedy, S. W. Squyres, R. Starr, J. I. Trombka, C. d'Uston, J.R. Arnold, P. A. J. Englert, A. E. Metzger, H. Wanke, J. Bruckner, D. M. Drake, C. Shinohara, C. Fellows, D. K. Hamara, K. Harshman, C. Turner, H. Barthe, Space Science Reviews, 2002.

Early results of the Mars Odyssey Gamma-Ray Spectrometer (GRS): Ice and other cool stuff, W. V. Boynton, W. C. Feldman, I. Mitrofanov, L. G. Evans, R. Reedy, S. W. Squyres, R. Starr, J. I. Trombka, C. d'Uston, J. R. Arnold, P.A.J. Englert, A. E. Metzger, H. Wanke, J. Bruckner, D. M. Drake, C. Shinohara, C. Fellows, D. K. Hamara, K. Harshman, Meteoritics & Planetary Science 37, 2002.

Fast neutron flux aboard Mars Odyssey during cruise, W. C. Feldman, T. H. Prettyman, R. L. Tokar, W. V. Boynton, R. C. Byrd, K. R. Fuller, O. Gasnault, J. L. Longmire, R. H. Olsher, S. A. Storms G. W. Thornton, J. Geophys. Res. 107, 10,1029 - 101040, 2002.

Subsurface Ice Content in the Polar Region of Mars: Comparison Between North and South, W. V. Boynton, W. C. Feldman, T. H. Prettyman, D. Hamara, EOS Trans, AGU 83, 2002.

Time Variation of the North Polar Seasonal Frost Cap of Mars, W. C. Feldman, W. V. Boynton, T. H. Prettyman, S. W. Squyres, R. L. Tokar, EOS Trans, AGU 83, 2002.

Analysis of Mars Odyssey Fast Neutron Data to Constrain the Hydrogen Abundance and Stratigraphy Near the South Pole, EOS Trans, AGU 83, 2002.

The Quarantine and Certification of Martian Samples, J. A. Wood, W. V. Boynton, W. Roger Buck, W.

Calvin, J. P. Ferris, J. M. Hayes, P. B. Jahrling, K. J. Meech, M. Mendillo, J. F. Mustard, A. F. Nagy, K. S. Noll, D. A. Paige, R. T. Pappalardo, J. W. Schopf, E. Shock, A. L. Sprague, Space Studies Board, National Research Council, 2002

Itqiy: A study of noble gases and oxygen isotopes including its terrestrial age and a comparison with Zaklodzie, A. Patzer, D.H. Hill, W. V. Boynton, L. Franke, L. Schultz, A. J. Timothy Jull, L. R. McHargue, and I. A. Franchi, submitted to Meteoritics & Planetary Science 37, 823 - 833, 2002.

The formation of rims on Ca-Al-rich inclusions: Step II Diffusion, D. A. Wark and W. V. Boynton, submitted to Meteoritics & Planetary Science, May 2002.

Mapping of High Energy Neutrons from Mars: Results from Odyssey, I. Mitrofanov, A. Kozyrev, M. Litvak, A. Sanin, W. Boynton, C. Shinohara, D. Hamara, S. Saunders, EOS Trans, AGU 83, 2002.

Distribution to hydrogen in the near-surface of Mars: Evidence for sub- surface ice deposits, W. V. Boynton, W. C. Feldman, S. W. Squyres, T. Prettyman, J. Bruckner, L. G. Evans, R. C. Reedy, R. Starr, J. R. Arnold, D. M. Draek, P. A. J. Englert, A. E. Metzger, I. Mitrofanov, J. I. Trombka, C. d'Uston, H. Wanke, O. Gasnault, D. K. Hamara, D. M. Janes, R. Marcialis, S. Maurice, I. Mikheeva, G. J. Taylor, R. Tokar, C. Shinohara, Science , Submitted May 2002.

Maps of Subsurface Hydrogen from the High Energy Neutron Detector, Mars Odyssey, I. Mitrofanov, D. Anfimov, A. Kozyrev, M. Litvak, A. Sanin, v. Tret'yakov, A. Krylov, V. Shvetsov, W. Boynton, C. Shinohara, D. Hamara, R. S. Saunders, Science 297, 78 - 81, 2002.

Global Distribution of Neutrons from Mars: Results from Mars Odyssey, W. C. Feldman, W. V. Boynton, R. L. Tokar, T. H. Prettyman, O. Gasnault, S. W. Squyres, R. C. Elphie, D. J. Lawrence, S. L. Lawson, S. Maurice, G. W. McKinney, K. R. Moore, R. C. Reedy, submitted to Science, May 2002.

Chemistry of the Calcalong Creek lunar meteorite and its relationship to lunar terranes, D. H. Hill and W. V. Boynton, Meteoritics & Planetary Science 38, 595-626, April 2003.

New eucrite Dar al Gani 872: Petrography, chemical composition, and evolution, A. Patzer, D.H. Hill, W. V. Boynton, Meteoritics & Planetary Science 38, 783-794, May 2003.

CO2 Snow Depth and Subsurface Water-Ice Abundance in the Northern Hemisphere of Mars, I. G. Mitrofanov, M. T. Zuber, M. L. Litvak, W. V. Boynton, D. E. Smith, D. Drake, D. Hamara, A. S. Kozyrev, A. B. Sanin, C. Shinohara, R. S. Saunders, V. Tretyakov, Science 300, 2081-2084, June 2003.

Discovery of GRB 020405 and Its Late Red Bump, P. A. Price, S. R. Kulkarni, E. Berger, D. W. Fox, J. S. Bloom, S. G. Djorgovski, D. A. Frail, T. J. Galama, F. A. Harrison, P. McCarthy, D. E. Reichart, R. Sari, S. A. Yost, H. Jerjen, K. Fling, A. Phillips, B. E. Warren, T. S. Axelrod, R. A. Chevalier, J. Holtzman, R. A. Kimble, B. P. Schmidt, J. C. Wheeler, F. Frontera, E. Cost, L. Piro, K. Hurley, T. Cline, C. Guidorzi, E. Montanari, E. Mazets, S. Golensetskii, I. Mitrofanov, D. Anfimov, A. Kozyrev, M. Litvak, A. Sanin, W. Boynton, C. Fellows, K. Harshman, C. Shinohara, A. Gal-Yam, E. Ofek, Y. Lipkin, Astrophysical Journal, Vol 589, 838 - 843, June, 2003.

The Mars Odyssey Gamma-Ray Spectrometer Instrument Suite, W. V. Boynton, W. C. Feldman, G. Mitrovanov, L. G. Evans, R. C. Reedy, S. W. Squyres, R. Starr, J. I. Trombka, C. d'Uston, J. R. Arnold, P. A. J. Englert, A. E. Metzger, H. Wanke, J. Bruckner, D. M. Drake, C. Shinohara, C. Fellows, D. K. Hamara, K. Harshman, K. Kerry, C. Turner, M. Ward, H. Barthe, K. R. Fuller, S. A. Storms, G. W. Thornton, J. L. Longmire, M. L. Litvak, A. K. Ton'chev, submitted to Space Science Reviews, Sepember 2003.

Search for Traces of Chemically Bound Water in the Martian Surface Layer Based on HEND Measurements onboard the 2001 Mars Odyssey Spacecraft, A.T. Basilevsky, M.L. Litvak, I.G. Mitrofanov, W.V. Boynton, R.S. Saunders, J.W. Head, Solar System Research, September 2003.

Seasonal Neutron-Flux Variations in the Polar Caps of Mars as Revealed by the Russian HEND Instrument Onboard the NASA 2001 Mars Odyssey Spacecraft, M.L. Litvak, I.G. Mitrofanov, A.S. Kozyrev, A.B. Sanin, V.I. Tret'yakov, W.V. Boynton, C. Shinohara, D. Hamara, S. Saunders, D.M. Drake, M.T. Zuber, D.E. Smith, Solar System Research, September 2003.

Search for Water in Martian Soil Using Global Neutron Mapping by the Russian HEND Instrument Onboard the US 2001 Mars Odyssey Spacecraft, I.G. Mitrofanov, M.L. Litvak, A.S. Kozyrev, A.B. Sanin, V.I. Tret'yakov, W.V. Boynton, C. Shinohara, D. Hamara, S. Saunders, D.M. Drake, Solar System Research, September 2003.

CO2 frost cap thickness on Mars during northern winter and spring, W.C. Feldman, T.H. Prettyman, W.V. Boynton, J.R. Murphy, S. Squyres, S. Karunatillake, S. Maurice, R.L. Tokar, G.W. McKinney, D.K. Hamara, N. Kelly, K. Kerry, Journal of Geophysical Research, Vol 108, September 2003.

Martian Multi-Elemental Maps from the Mars Odyssey Gamma-Ray Spectrometer, R.C. Reedy, W.V. Boynton, D. Hamara, K. Kerry, D. Janes, J.M. Keller, K.J. Kim, T.H. Prettyman, G.J. Taylor, J. Bruckner, H. Wanke, L.G. Evans, R. Starr, S.W. Squyres, S. Karunatillake, C. D'Uston, O. Gasnault, Mars Odyssey GRS Team, Meteoritics & Planetary Science, July 2003.

DaG 983: A Complex (Polymict, Feldspar Cumulate, Impact Melt Breccia) Eucrite from Libya, A. Patzer, J. Schluter, L. Schultz, D.H. Hill, W.V. Boynton, F. Thiedig, Meteoritics & Planetary Science, July 2003.

NON-REFEREED PUBLICATIONS

Testimony before the Subcommittee on Space and Aeronautics of the Committee on Science, U.S. House of Representatives, 104th Congress, Fiscal Year 1996 NASA Authorization, No. 8, 434-435, 1995.

The determination of ice composition with instruments on cometary landers, W. V. Boynton, L. C. d=Uston, D. T. Young, J. I. Lunine, J. H. Waite, S. H. Bailey, J. J. Berthelier, J. L. Bertaux, V. Borrel, M. F. Burke, B. A. Cohen, D. H. McComas, J. E. Nordholt, L. G. Evans and J. I. Trombka, 46th International Astronautical Congress, Oslo, Norway, October 2-6, 1995.

The use of small penetrators to return samples and host instrument packages, W.V. Boynton, C. d=Uston, J.I. Trombka, L.G. Evans, M.F. Burke, B.A. Cohen and S.H. Bailey, Second IAA International Conference on Low-Cost Planetary Missions, Laurel, MD, April 16-19, 1996.

The use of small penetrators to return samples and host instrument packages, W.V. Boynton, A. Cheng, J. Carroll, S.H. Bailey, Second IAA International Conference on Low-Cost Planetary Missions, Laurel, MD, April 16-19, 1996.

Modular and multifunctional systems (MAMS) in the New Millennium Program, J. Sercel, B. Hanks. W.V. Boynton, C. Cassapakis, E. Crawley, M. Curcio, A. Das, W. Hayden, D. King, L. Peterson, S. Rawal, T. Reddy and J. Sovie, 34th Aerospace Sciences Meeting and Exhibit, Reno, NV, January 15- 18, 1996.

EXTENDED ABSTRACTS

Bulk, REE and other elemental abundance in four Apollo 14 clastic rocks and three core samples, two Luna 16 breccias and four Apollo 15 soils (abs.), J. C. Laul, W. V. Boynton, and R. A. Schmitt, Lunar and Planet. Sci. III, 480, 1972.

Surface correlation of volatile elements in Apollo 16 soils (abs.), W. V. Boynton, C. L. Chou, R. W. Bild, and J. T. Wasson, Lunar and Planet. Sci. VI, 74, 1975.

> Volatiles on the surface of Apollo 15 green glass and volatile-element systematics in soils from edges of mare basins (abs.), C. L. Chou, W. V. Boynton, L. L. Sundberg, and J. T. Wasson, Lunar and Planet. Sci. VI, 137, 1975.

Temporal decrease of siderophile/iridium ratios in mature lunar soils (abs.), J. T. Wasson, C. L. Chou, and W. V. Boynton, Lunar and Planet. Sci. VI, 857, 1975.

Differences in elemental distributions in the size fractions of mare- and highlands-type soils (abs.), W. V. Boynton, K. L. Robinson, P. H. Warren, and J. T. Wasson, Lunar and Planet. Sci. VII, 88, 1976.

Siderophilic element evidence regarding a chondritic component in howardites (abs.), C. L. Chou, W. V. Boynton, R. W. Bild, and J. T. Wasson, Lunar and Planet. Sci. VII, 135, 1976.

Volatile compounds released during lunar lava-fountaining (abs.), J. T. Wasson, W. V. Boynton, L. L. Sundberg, and C. M. Wai, Lunar and Planet. Sci. VII, 924, 1976.

Fractionation of Th, U, Pu, and Cm in the history of the solar system: Implications for dating techniques (abs.), W. V. Boynton, Lunar and Planet. Sci. VIII, 136, 1977.

On the amounts of volatile metals and rare gases actually on the surface of lunar soil grains (abs.), W. V. Boynton, C. W. McEwing, and J. T. Wasson, Lunar and Planet. Sci. VIII, 139, 1977.

Solar wind nitrogen: Mechanisms for isotopic evolution (abs.), J. F. Kerridge, I. R. Kaplan, R. E. Lingenfelter, and W. V. Boynton, Lunar and Planet. Sci. VIII, 537, 1977.

In quest of primary highlands rocks (abs.), P. H. Warren, D. W. Mittlefehldt, W. V. Boynton, and J. T. Wasson, Lunar and Planet. Sci. VIII, 988, 1977.

Classification and elemental fractionating among carbonaceous chondrite classes (abs.), J. T. Wasson, W. V. Boynton, and G. W. Kallemeyn, Lunar and Planet. Sci. VIII, 994, 1977.

Rare-earth elements as indicators of supernova condensation (abs.), W. V. Boynton, Lunar and Planet. Sci. IX, 120, 1978.

Identification of an ultra-refractory component in the Murchison meteorite (abs.), W. V. Boynton, R. M. Frazier, and J. D. Macdougall, Lunar and Planet. Sci. XI, 103, 1980.

Condensation of refractory trace elements in the solar nebula and in supernovae, W. V. Boynton and C. C. Cunningham (abs.), Lunar and Planet. Sci. XII, 106, 1981.

Oxygen isotopes, rare-earth elements, supernovae and Wolf-Rayet Stars, (abs.), D. S. Dearborn and W. V. Boynton, Meteoritics 16, 306-307, 1981.

Trace element concentrations in Abee density separates and minerals, (abs.), R. M. Frazier and W. V. Boynton, Meteoritics 16, 315-316, 1981.

Rare-earth and other trace elements in rim and interior portions of a peculiar Allende chondrule (abs.), W. V. Boynton and D. H. Hill, Lunar and Planet. Sci. XIII, 63-64, 1982.

Minor and trace elements in clast and whole rock samples of Allan Hills A81005 (abs.), W. V. Boynton and D. H. Hill, Lunar and Planet. Sci. XIV, Special Session Abstracts, 3-4, 1983.

Experimental geochemistry in very reducing systems: extreme REE fractionation by immiscible sulfide liquids, J. H. Jones and W. V. Boynton, Lunar Planet. Sci. XIV, 353-354, 1983.

The scorpion: A novel spinel-hibonite-melilite inclusion in the Allende meteorite (abs.), D. A. Wark and W. V. Boynton, Lunar and Planet. Sci. XIV, 826-827, 1983.

Petrology and chemistry of hyper-ferroan anorthosite and other clasts from Lunar Meteorite ALHA81005 (abs.), C. A. Goodrich, G. J. Taylor, K. Keil, W. V. Boynton and D. H. Hill, Lunar and Planet. Sci. XV, 316-317, 1984.

Primitive nature of ordinary chondrite matrix materials (abs.), G. J. Taylor, E. R. D. Scott, K. Keil, W. V. Boynton, D. H. Hill, T. K. Mayeda and R. N. Clayton, Lunar and Planet. Sci. XV, 848-849, 1984.

The relationship between size and composition of Allende CAI's (abs.), D. A. Wark and W. V. Boynton, Lunar and Planet. Sci. XV, 888-889, 1984.

Ion microprobe analysis of REE in phosphates in the apatite-rich clast from ALHA 81005 (abs.), C. A. Goodrich, G. J. Taylor, K. Keil, S. J. B. Reed, W. V. Boynton and D. H. Hill, Lunar and Planet. Sci. XVI, 282-283, 1985.

Geologic signatures of large impacts in the terrestrial ocean (abs.), A. R. Hildebrand and W. V. Boynton, Lunar and Planet. Sci. XVI, 350-351, 1985.

Trace elements in Efremovka fine-grained inclusion E14: Evidence for high temperature oxidizing fractionations in the solar nebula, W. V. Boynton, D. A. Wark and A. A. Ulyanov, Lunar and Planet Sci. XVII, 78-79, 1986.

Efremovka fine-grained inclusion E14: Comparisons with Allende, D. A. Wark, A. S. Kornacki, W. V. Boynton and A. A. Ulyanov, Lunar and Planet Sci. XVII, 921-922, 1986.

The K/T impact excavated oceanic mantle: evidence from REE abundances (abs.), A. R. Hildebrand and W. V. Boynton, Lunar and Planet. Sci. XVIII, 427-428, 1987.

Origin of CAI rims--I: The evidence from the rare earth elements (abs.), W. V. Boynton and D. A. Wark, Lunar and Planet. Sci. XVIII, 117-118, 1987.

Origin of CAI rims--II: The evidence from refractory metals, major elements and mineralogy (abs.), D. A. Wark and W. V. Boynton, Lunar and Planet. Sci. XVIII, 1054-1055, 1987.

Scientific considerations in the design of the Mars Observer Gamma-Ray Spectrometer (abs.), J. R. Arnold, W. V. Boynton, P. Englert, W. C. Feldman, A. E. Metzger, R. C. Reedy, S. W. Squyres, J. I. Trombka and H. Wänke, Conference on High Energy Radiation Background in Space, Sanibel Island, Florida, Nov. 3-5, 1987.

Impact wave deposits provide new constraints on the location of the K/T boundary impact, A. R. Hildebrand and W. V. Boynton, Abstracts with Program, Global Catastrophes in Earth History: An Interdisciplinary Conference on Impacts, Volcanism and Mass Mortality, 76-77, 1988.

Provenance of the K/T boundary layers, A. R. Hildebrand and W. V. Boynton, Abstracts with Program, Global Catastrophes in Earth History; An Inter-disciplinary Conference on Impacts, Volcanism and Mass Mortality, 78-79, 1988.

On the location of the K/T boundary impact site, A. R. Hildebrand and W. V. Boynton, Lunar and Planet. Sci. XXI, 512-513, 1990.

Meteoritic constraints on conditions in the solar nebula, H. Palme and W. V. Boynton, Lunar and Planetary Science XXI, 1990.

The petrology of an andesitic melt rock and a polymict breccia from the interior of the Chicxulub structure, Yucatán, Mexico, D. A. Kring, A. R. Hildebrand and W. V. Boynton, Lunar and Planet. Sci. XXII, 755-756, 1991.

The trace-element composition of LEW 88516 and its relationship to SNC meteorites, W. V. Boynton, D. H. Hill and D. A. Kring, Lunar and Planet Sci. XXIII, 147-148, 1992.

The trace-element composition of Eagles Nest and its relationship to other ultramafic achondrites, D. A. Kring and W. V. Boynton, Lunar and Planet Sci. XXIII, 727-728, 1992.

Microfaulting of CAI rim layers and relationship to the fabric of the Leoville (CV3) chondrite, A. Ruzicka and W. V. Boynton, Lunar and Planet Sci. XXIII, 1191-1192, 1992.

Redistribution of subsurface neutrons caused by ground ice on Mars, W. C. Feldman, W.V. Boynton, B. M. Jakosky and M. T. Mellon, Workshop on the Evolution of the Martian Atmosphere, Lunar and Planetary Institute, The MSATT Study Group (Mars Surface and Atmosphere Through Time), Kona, Hawaii, June 29-July 1, 1992.

Martian volatiles determined using the Mars Observer gamma-ray spectrometer, W. C. Feldman, W. V. Boynton, J. I. Trombka, J. R. Arnold, P. A. J. Englert, A. E. Metzger, R. C. Reedy, S. W. Squyres and H. Wänke, Workshop on the Polar Regions of Mars: Geology, Glaciology, and Climate History, Lunar and Planetary Institute, Houston, Texas, November 13-15, 1992.

Trace element composition of Chicxulub crater melt rock, K/T tektittes and Yucatan basement, A. R. Hildebrand, D. C. Gregoire, M. Atrep, Jr., P. Claeys, C. M. Thompson and W. V. Boynton, Lunar and Planet. Sci. XXIV, 657-658, 1993.

Trace-element abundances in several new ureilites, W. V. Boynton and D. H. Hill, Lunar and Planet. Sci. XXIV, 167-168, 1993.

In-situ studies of primitive bodies, W.V. Boynton, Workshop on Advanced Technologies for Planetary Instruments, Fairfax, Virginia, April 28-30, 1993.

Thermal and evolved gas analysis for the MESUR mission, Workshop on Advanced Technologies for Planetary Instruments, Fairfax, Virginia, April 28-30, 1993.

The anatomy and bulk composition of CAI rims in the vigarano (CV3) chondrite, A. Ruzicka and W. V. Boynton, 56th Annual Meteoritical Society Meeting, Vail, Colorado, July 19-23, 1993.

Burst detection capability of the Mars Observer gamma-ray spectrometer (abs.), A. E. Metzger, W. V. Boynton, J. G. Laros and J. I. Trombka, Gamma-Ray Burst Workshop, University of Alabama, Huntsville, October 20- 22, 1993.

The Cryo-Penetrator: An approach to exploration of icy bodies in the Solar System (abs.), W. V. Boynton and R. P. Reinert, International Academy of Astronautics Conference on Low-Cost Planetary Missions, Laurel, Maryland, April 12-15, 1994.

The relationship between ordinary chondrites and asteroids: Implications for mission targeting, D. A. Kring, D. T. Britt and W. V. Boynton, European Geophysical Society, XIX General Assembly, Grenoble, France, April 25-29, 1994.

The geochemistry of a new Lunar meteorite, QUE93069, a breccia with highland affinities, D. A. Kring, D. H. Hill and W. V. Boynton, Lunar and Planet. Sci. XXVI, 801-802, 1995.

Clasts from the Calcalong Creek Lunar meteorite, D. H. Hill, U. B. Marvin and W. V. Boynton, Lunar and Planet. Sci. XXVI, 605-606, 1995.

Fine-grained CAIs in Efremovka and Leoville: In-situ layer growth and confirmation of a link to rims on coarse-grained CAIs, A. Ruzicka and W. V. Boynton, Lunar and Planet. Sci. XXVI, 1207-1208, 1995.

The role of garnet in Martian mantle evolution: Further evidence from Shergottite rare earth patterns, J.D.Gleason, D.A. Kring and W.V. Boynton, Lunar and Planet. Sci. XXVII, 1996.

Modular and multifunctional systems (MAMS) in the New Millennium Program, J. Sercel, B. Hanks,

W. V. Boynton, C. Cassapakis, E. Crawley, M. Curcio, A. Das, W. Hayden, D. King, L. Peterson,

S. Rawal, T. Reddy and J. Sovie, 34th Aerospace Sciences Meeting and Exhibit, 1996.

GRB Localizations from BATSE, Mars Observer, and Ulysses Observations, in Gamma-Ray Bursts, J.

Laros, W. V. Boynton, K. Hurley, C. Kouveliotou, G. Fishman, C. Meegan, T. Cline, D. Palmer, R. Starr, J. Trombka, M. Boer, M. Niel, M. Sommer and A. Metzger, AIP Conference Proc.- Huntsville Symposium, 459, New York, 1996.

Mars Volatiles and Climate Surveyor Integrated Payload, D. A. Paige, W. V. Boynton, D. Crisp,

A. M. Harri, Keller, C. J., Leshin, H. U. May, L. A., Smith, P. H., Zurek, R. W., American Astronomical Society - DPS 29, 1997.

Charged particle induced radiation damage of germanium detectors in space: two Mars Observer gamma-Ray detectors, J. Bruckner, M. Koenen, L. G. Evans, R. Starr, S. H. Bailey, W. V. Boynton, Conference

On the High Energy Radiation Background in Space, 23 - 26, 1997.

Induced Background in the Mars Observer Gamma-Ray Spectrometer, W. V. Boynton, L. G. Evans, R. Starr, J. Bruekner, S. H. Bailey, J. I. Trombka, Second Conference on the High Energy Radiation Background in Space, Snowmass, CO, July 22-23, 1997.

Mars Volatiles and climate surveyor (MVACS) integrated Payload for Mars Polar Lander Mission, D. A. Paige, W. V. Boynton, D. Crisp, E. Dejong, A. M. Harri, C. J. Hansen, H. U. Keller, L. A. Leshin, P. H. Smith, R. W. Zurek, LPI - First International Conference on Mars Polar Science and Exploration, Camp Allen, TX, 1998.

The thermal and evolved gas analyzer (TEGA) on the 1998 Mars Polar Lander, W. V. Boynton, R. D. Lorenz, S. H. Bailey, M. S. Williams, D. K. Hamara, LPI - First International Conference on Mars Polar Science and Exploration, Camp Allen, TX, 1998.

The Hf isotopic compositions of Zagami and QUE94201: A garnet-free depleted martian mantle, J. Blichert-Toft, J. D. Gleason, F. Albarede, D. A. Kring, D. H. Hill, and W. V. Boynton, Lunar and Planetary Science XXIX, Abstract, Abstract #1074, Lunar and Planetary Institute, Houston, TX (CD-ROM), 1998.

Lu-Hf isotopic compositions of SNC meteorites: Implications for Martian mantle evolution, J. Blichert-Toft, F. Albarede, J. D. Gleason, D. A. Kring, D. H. Hill, and W. V. Boynton, Mineralogical Magazine 62A, - 1998 Goldschmidt Conference, 168-169, Toulouse, France, 1998.

Continuum background in space-borne gamma-ray detectors, L. G. Evans, J. I. Trombka, R. Starr W. V. Boynton, S. H. Bailey, Conference on the High Energy Radiation Background in Space, 101 - 103, 1998.

Exploring coments, asteroids, and related bodies: A report from the campaign strategy working group on building blocks and chemical origins of the SSES, J. Veverka, T. Ahrens, M. Belton, R. Binze, W. V. Boynton, P. Feldman, L. Soderblom, R. Yelle, A. Wolf, B. Gershman, Lunar and Planetary Science Conference, Houston, TX, March 15 - 29, 1999.

Russian High Energy Neutron Detector HEND for Mars Surveyor Orbiter 2001 Mission, I. G. Mitrofanov, D. S. Anfimov, W. V. Boynton, S. P. Hundorin, A. A. Kondabarov, M. L. Litvak, D. A. Litvin, L. B. Pikel=Ner, Y. P. Popov, V. N. Shvetsov, A. V. Strelkov, A. K. Tonshev, Lunar and Planetary Science Conference, Houston, TX, March 15 - 29, 1999.

Scientific investigations on the elemental composition of Mars by means of the Mars Surveyor 2001 Gamma-Ray Spectrometer, W. V. Boynton, C. D=Uston, J. R. Arnold, J. I. Trombka, W. C. Feldman, I. Mitrofanov, P. A. J. Englert, A. E. Metzger, R. C. Reedy, S. W. Squyres, H. Wanke, S. H. Bailey, J. Bruckner, L. G. Evans, R. Starr, C. W. Fellows, Lunar and Planetary Science Conference, Houston, TX, March 15 - 29, 1999.

Differential scanning calorimetry of hydrous minerals under Mars-like conditions: Calibration studies for the Mars >98 Lander Thermal and Evolved Gas Analyzer, D. C. Golden, D. W. Ming, H. V. Lauer, R. V. Morris, C. Galindo, W. V. Boynton, Lunar and Planetary Science Conference, Houston, TX March 15 - 29, 1999.

Effects of Reduced Pressure and Gas Flow Rate on Differential Scanning Calorimetry Analysis of Indium and Zinc: Implications for Remote Thermal Analysis, H. V. Lauer, D. W. Ming, D. C. Golden, W. V. Boynton, Lunar and Planetary Science Conference, Houston, TX, March 15-29, 1999.

Mars 2001 Mission: Science Overview, R. S. Saunders, P. R. Ahlf, R. E. Arvidson, G. Badhwar, W. V. Boynton, P. R. Christensen, L. D. Friedman, D. Kaplan, M. Malin, T. Meloy, M. Meyer, I. G. Mitrofonov, P. Smith, S. W. Squyres, Lunar and Planetary Science Conference, Houston, TX, March 15 - 29, 1999.

The Thermal and Evolved Gas Analyzer (TEGA) on the Mars Polar Lander, W. V. Boynton, S. H. Bailey, R. Bode, D. K. Hamara, D. A. Kring, R. D. Lorenz, M. Ward, M. S. Williams, Lunar and Planetary Science Conference, Houston, TX, March 15 - 29, 1999.

Applicability of the Mars Polar Lander TEGA instrument to future Mars missions, W. V. Boynton, S. H. Bailey, D. K. Hamara, M. S. Williams, R. C. Bode, M. R. Fitzgibbon, W. J. Ko, M. G. Ward, K. R. Sridhar, J. A. Blanchard, R. D. Lorenz, R. D. May, D. A. Paige, A. V. Pathare, D. A. Kring, L. A. Leshin, D. W. Ming, A. P. Zent, D. C. Golden, K. E. Kerry, H. Vern Lauer, R. C. Quinn, LPL- Workshop on Concepts and Approaches for Mars Exploration, Houston, Tx, July 18-20, 2000.

The search for water and other volatiles in martian surface materials: The Thermal Evolved Gas Analyzer (TEGA), D. W. Ming, W. V. Boynton, D. S. Musselwhite, S. H. Bailey, R. C. Bode, G. Quandlander, K. E. Kerry, M. G. Ward, R. D. Lorenz, A. V. Pathare, D. A. Kring, H. V. Lauer, D. C. Golden, I. C. Lin, R. V. Morris, Workshop on Concepts and Approaches for Mars Exploration, Houston, TX, July 18-20, 2000.

The Importance of bringing samples of Mars to Earth, J. A. Wood and W. V. Boynton, Workshop on Concepts and Approaches for Mars Exploration, Houston, TX, July 18-20, 2000.

X-Ray and Gamma Ray Spectroscopy, S. W. Squyres, J. I. Trombka, J. Bruckner, W. V. Boynton, R. C. Reedy, P. Gorenstein, L. G. Evans, J. R. Arnold, R. D. Starr, L. R. Nittler, T. J. McCoy, I. Mikheeva, R. L. McNutt, T. P. McClanahan, E. McCartney, J. O. Goldsten, R. E. Gold, S. R. Floyd, P. E. Clark, T. H. Burbine, J. S. Bhangoo, S. H. Bailey, M. E. Murphy, American Astronomical Society 32, 2000.

Differential scanning calorimetry and evolved gas analysis at Mars ambient conditions using the thermal evolved gas analyser (TEGA), D. S. Musselwhite, W. V. Boynton, D. W. Ming, G. Quandlander, K. E. Kerry, R. C. Bode, S. H. Bailey, M. G. Ward, A. V. Pathare, R. D. Lorenz, D. A. Kring, H. V. Lauer, R. V. Morris, Second International Conference on Mars Polar Science and Exploration, Reykjavik, Iceland, August 21-25, 2000.

Scientific Objectives of the Mars surveyor 2001 gamma-ray spectrometer, W. V. Boynton, W. C. Feldman, J. I. Trombka, C. D=Uston, I. Mitrofanov, J. R. Arnold, P. A. J. Englert, A. E. Metzger, R. C. Reedy, S. W. Squyers, H. Wanke, S. H. Bailey, J. Bruckner, L. G. Evans, D. Hamara, R. Starr, C. W. Fellows, Second International Conference on Mars Polar Science and Exploration, Reykjavik, Iceland, August 21-25, 2000.

The Search for Volatile-Bearing Phases on the Surface of Mars: The Thermal Evolved Gas Analyzer,(TEGA), D. W. Ming, D. S. Musselwhite, H. V. Lauer, Jr., D. C. Golden, I.C. Lin, R. V. Morris, and W. V. Boynton, 37th Annual Meeting of the Clay Minerals Society, 88, Loyola University, Chicago, June 24-29, 2000.

Applications of reduced pressure differential scanning calorimetry on volatile-bearing minerals: From identification ofmartian soils to investigations on decomposition mechanisms. American Geophysical Union 2000 Spring Meeting,Transactions, Vol. 81, No. 19, Washington, D.C., May 9, 2000.

Thermal and evolved Gas Analysis of hydromagnesite and nesquehonite: Implications for remote thermal analysis on Mars, H. V. Lauer, D. W. Ming, D. C. Golden, I. C. Lin, W. V. Boynton, Lunar and Planetary Science Conference, March 13-17, 2000.

Differential scanning calorimetry and evolved gas analysis at Mars ambient conditions using the thermal evolved gas analyser (TEGA), D. S. Musselwhite, W. V. Boynton, D. W. Ming, G. Quandlander, K. E. Kerry, R. C. Bode, S. H. Bailey, M. G. Ward, A. V. Pathare, R. D. Lorenz, D. A. Kring, H. V. Lauer, R. V. Morris, Lunar and Planetary Science Conference XXXI, Houston, TX, March 13 - 17, 2000.

After the Mars Polar Lander: Where to Next? D. A. Paige, W. V. Boynton, D. Crisp, E. Dejong, D. J. Hansen, A. M. Harri, H. U. Keller, L. A. Leshin, R. D. May, P. H. Smith, R. W. Zurek, Workshop on Concepts and Approaches for Mars Exploration, Houston, TX, July 18 - 20, 2000.

Preliminary Results of the NEAR gamma-ray spectromter, L. G. Evans, J. I. Trombka, R. D. Starr, W. V. Boynton, J. Bruckner, R. C. Reedy, Lunar and Planetary Science XXXII, 2001.

Itqiy II. A short story about its noble gases and oxygen isotopes, A. Patzer, D. H. Hill, and W. V. Boynton, Meteoritics & Planetary Science 36, A158, 2001.

The fast neutron flux spectrum aboard mars odyssey during cruise, W. C. Feldman, T.H. Prettyman, R. L. Tokar, W. V. Boynton, R. C. Byrd, K. R. Fuller, O. Gasnault, J. L. Longmire, R. H. Olsher, S. A. Stroms, G. W. Thornton, American Geophysical Union, 2001.

Science objectives and approaches for in-situ analyses of primitive bodies, W. V. Boynton, V. M. Goldschmidt Conference, Hot Springs, VI, 2001.

The Composition of 433 Eros: A Mineralogical-Chemical Synthesis, T. J. McCoy, M. J. Gaffey, J. F. III Bell, W. V. Boynton, T. H. Burbine, C. R. Chapman, A. F. Cheng, B. E. Clark, P. E. Clark, L. G. Evans, P. Gorenstein, P. Lucey, L. McFadden, S. Murchie, L. R. Nittler, M. S. Robinson, S. W. Squyres, R. D. Starr, J. I. Trombka, K. J. Veverka, Lunar and Planetary Science Conference XXXII Houston, TX, March 12 - 16, 2001.

Another weird rock from space: a unique enstatite achondrite from the Saharan Desert, A. Patzer, D. H.

Hill, W. V. Boynton, Lunar and Planetary Science XXXII, Houston, TX, March 12 - 16, 2001

Metal grains in CAIs, rim flash heating and CAI growth zoning, D. A. Wark and W. V. Boynton,

Lunar and Planetary Science XXXII, Houston, TX, March 12 -16, 2001.

Nebular flash heating events and CAI rim formation, D. A. Wark and W. V. Boynton, Lunar and Planetary

Science XXXII, Houston, TX, March 12 - 16, 2001.

The x-ray spectrometer for Mercury messenger, R. D. Starr, G. C. Ho, C. Schlemm, R. E. Gold, J. O.

Goldsten, W. V. Boynton, J. I. Trombka, Lunar and Planetary Institute: Workshop on Mercury: Space

Environment, Surface and Interior, Houston, TX, October 4 - 5, 2001.

The chemical composition of Asteroid 433 eros: End of mission results of the NEAR Shoemaker x-ray/ gamma-ray spectrometer, J. I. Trombka, S. W. Squyres, J. Bruckner, W. V. Boynton, R. C. Reedy, T. J. McCoy, P. Gorenstein, L. G. Evans, J. R. Arnold, R. D. Starr, L. R. Nittler, M. E. Murphy, I. Mikheeva, R. L. McNutt Jr., T. P. McClanahan, E. McCartney, J. O. Goldstein, R. E. Gold, S. R. Floyd, P. E. Clark, T. H. Burbine, J. S. Bhangoo, S. H. Bailey and M. Petaev, Lunar and Planetary Science XXXII, Houston, TX, March 12 - 16, 2001.

Elemental Composition of Asteroid 433 Eros: Results from the NEAR-Shoemaker X-Ray/Gamma-Ray Spectrometer and Comparison with Meteorites, W. V. Boynton, J. I. Trombka, R. D. Starr, L. G. Evans, L. R. Nittler, T. J. McCoy, T. H. Burbine, J. Bruckner, P. Gorenstein, S. W. Squyres, J. O. Goldsten, L. Lim, K. Hurley, R. C. Reedy, P. E. Clark, S. R. Floyd, T. P. McClanahan, J. E. McCartney, J. Branscomb, D. K. Hamara, J. S. Bhangoo, I. Mikheeva, M. E. Murphy, 64th Meteoritical Society Meeting, Rome, Italy, September 10 -14, 2001.

Subsurface ice content in the north polar region of Mars: W. V. Boynton, D. K. Hamara, W. C. Feldman, T. H. Prettyman, and M.O. GRS Team, Bulletin American Astronomical Society 34, 2002.

Near-Surface Ice on Mars: Early results from the 2001 Mars Odyssey Gamma Ray Spectrometer (GRS) Instrument Suite, W. Boynton, W. Feldman, I. Mitrofanov, Team GRS, American Geophysical Union, 2002.

Recession of the North-Polar CO2 Cap during early spring: Results from the Mars Odyssey Gamma-Ray Spectrometer, W. C. Feldman, R. L. Tokar, T. H. Prettyman, W. V. Boynton, Bulletin American Astronomical Society 34, 2002.

The stable and variable features of subsurface water on Mars: HEND data from Odyssey, I. G. Mitrofanov, D. S. Anfimov, A. S. Kozyrev, M. L. Litvack, A. B. Sanin, V. I. Tret'yakov, W. V. Boynton, C. Shinohara, D. Hamara, R. S. Saunders, H.E.N.D. Team, G.R.S. Team and O. Team, Bulletin American Astronomical Society 34, 2002.

Earth-like Planets and Moon, C. L. Duston, W. V. Boynton, J. Brueckner, W. C. Feldman, K. C. Anton, M. Grande, O. Gasnault, ESLAB 36 Symposium, Holland, June 3 - 8, 2003.

Time Variation of the North Polar Seasonal Frost Cap of Mars, W. C. Feldman, W. V. Boynton, T. H. Prettyman, S. W. Squyres, R. L. Tokar, American Geophysical Union, 2002.

Ice Concentration and Distribution Near the South Pole of Mars: Synthesis of Odyssey and Global Surveyor Analyses, R. L. Tokar, W. C. Feldman, T. H. Prettyman, K. R. Moore, D. J. Lawrence, R. C. Elphic, M. A. Kreslavsky, J. W. Head, J. F. Mustard, W. V.Boynton, American Geophysical Union, 2002.

Hydrogen Concentration in the Martian Southern Hemisphere Near Ls + O, R. L. Tokar, W. C. Feldman, T. H. Prettyman, K. R. Moore, W. V Boynton, American Geophysical Union, 2002.

Analysis of Mars Odyssey Fast Neutron Data to Constrain the Hydrogen Abundance and Stratigraphy Near the South Pole, T. H. Prettyman, W. C. Feldman, W. V. Boynton, G. W. McKinney, American Geophysical Union, 2002.

Fast Neutron Flux Spectrum Aboard Mars Odyssey During Cruise, W. C. Feldman, T. H. Prettyman, R. C. Byrd, K. R. Fuller, O. Gasnault, J. L. Longmire, R. H. Olsher, S. A. Storms, G. W. Thornton, W. V. Boynton, American Geophysical Union, 2002.

Mapping of High Energy Neutrons from Mars: Results from Odyssey, I. Mitrofanov, A. Kozyrev, M. Latvak, A. Sanin, W. Boynton, C. Shinohara, D. Hamara, S. Saunders, American Geophysical Union, 2002.

Global Distribution of Martian Volatiles during Northern Winter: Mars Odyssey Neutron Spectrometer Results, W. C. Feldman, W. V. Boynton, R. L. Tokar, T. H. Prettyman, L. G. Evans, S. W. Squyres, R. Starr, J. Bruckner, I. Mitrofanov, American Geophysical Union, 2002.

Dar Al Gani 872: Yet another eucrite, yet another lesson to learn, A. Patzer, D. H.Hill, W. V. Boynton P. P. Sipiera, G. A. Jerman, Lunar and Planetary Science XXXIII, Houston, TX, March 11 - 14, 2002.

The evolution of acapulcoites and lodranites: An INAA perspective, A. Patzer, D. H. Hill, and W. V. Boynton, submitted to Meteoritical Society Meeting, Los Angeles, CA, July 2002.

Early Results of the Mars Odyssey Gamma-Ray Spectrometer (GRS): Ice and Other Cool Stuff, W. V. Boynton, W. C. Feldman, I. Mitrofanov, L. G. Evans, R. C. Reedy, S. W. Squyres, R. Starr, J. I. Trombka, C. d'Uston, J. R. Arnold, P. A. J. Englert, A. E. Metzger, H. Wanke, J. Bruckner, D. M. Drake, C. Shinohara, C. Fellows, D. K. Hamara, K. Harshman, Submitted to Meteoritical Society Meeting, Los Angeles, CA, July 2002.

Russian High Energy Neutron Detector (HEND) As part of the GRS Facility of "2001 Mars Odyssey" Mission, I. Mitrofanov, D. Anfimov, S. Aust, A. Erasov, S. Handorin, A. Kondabarov, A. Kozyrev, V. Letunovskii, M. Litvak, M. Mokroussov, A. Sanin, A. Tonchev, V. Tret'yakov, A. Krylov, L. Pikil'ner, Y. Popov, V. Shvetsov, L. Gorn, B. Il'in, T. Verevkin, Y. Bobrovnitskii, T. Tomilina, N., San'ko, W. Boynton, D. Hamara, C. Kloss, R. S. Saunders, Lunar and Planetary Science Conference XXXIII, 2002.

3-D Model of Neutron Cloud around Mars from the HEND Measurements during the Aerobraking Stage of Odyssey Flight, M. Litvak, D. Anfimov, A. Kozyrev, I. Mitrofanov, A. Sanin, W. Boynton, D. Hamara, R. S. Saunders, Lunar and Planetary Science Conference XXXIII, 2002.

Differential Scanning Calorimetry of Phyllosilicate Minerals at Reduced Pressures: A Mineral Database For the Thermal Evolved Gas Analyzer (TEGA), A. B. Tripathi, D. W. Ming, H. V. Jr., Lauer, D. C. Golden, W. V. Boynton, Lunar and Planetary Science Conference XXXIII, 2002.

Comparison of Measured Thermal/Epithermal Neutron Flux and Simulation Predictions for the Odyssey Neutron Spectrometer in Orbit about Mars, R. L. Tokar, W. C. Feldman, T. P. Prettyman, D. R. Moore, W. V. Boynton, O. Gasnault, S. L. Lawson, D. J. Lawrence, R. C. Elphic, Lunar and Planetary Science Conference XXXIII, 2002.

Elemental Composition Results for the NEAR-Shoemaker Gamma-Ray Spectrometer, L. G. Evans, J. I. Trombka, R. D. Starr, W. V. Boynton, J. Bruckner, R. C. Reedy, T. J. McCoy, Lunar and Planetary Science Conference XXXIII, 2002.

Initial Results of the Mars Odyssey Neutron Spectrometer at Mars, W. C. Feldman, R. L. Tokar, T. H. Prettyman, W. V. Boynton, K. R. Moore, O. Gasnault, S. L. Lawson, D. J. Lawrence, R. C. Elphic, Lunar and Planetary Science Conference XXXIII, pp. 1781, 2002.

The NEAR-Shoemaker XGRS Experiment: An End of Mission Overview, J. I. Trombka, R. D. Starr, L. R. Nittler, L. G. Evans, T. J. McCoy, W. V. Boynton, T. H. Burbine, J. Bruckner, P. Gorenstein, S. W. Squyres, R. C. Reedy, J. O. Goldsten, L. Lim, K. Hurley, P. E. Clark, S. R. Floyd, T. P. McClanahan, E. McCartney, J. Branscomb, J. S. Bhangoo, I. Mikheeva, M. E. Murphy, Lunar and Planetary Xcience Conference XXXIII, 2002.

Excected Performance and Initial Results from the 2001 Mars odyssey Gamma Ray Spectrometer (GRS) Instrument Suite, W. V. Boynton, W. C. Feldman, I. Mitrofanov, J. I. Trombka, J. R. Arnold, P.A.J. Englert, A. E. R. Metzger, R. Reedy, S. W. Squyres, C. d'Uston, H. Wanke, J. Bruckner, D. M. Drake, L. G. Evans, R. Starr, C. Shinohara, F. S. Anderson, Lunar and Planetary Science Conference XXXIII, 2002.

Seasonal CO2 Observations on North and South of Mars as seen by HEND (Mars Odyssey) and MOLA (MGS), M. L. Litvak, I. G. Mitrofanov, D. E. Smith, M. T. Zuber, W. V. Boynton, R. S. Saunders, and D. Drake, Lunar and Planetary Science Conference XXIV, Houston, TX, March 17 - 21, 2003.

Global Distribution of Shallow Water on Mars: Neutron Mapping of Summer- Time Surface by HEND/Odyssey, I. G. Mitrofanov, M. L. Litvak, A. S. Kozyrev, A. B. Sanin, V. I. Tret'yakov, W. V. Boynton, D. K. Hamara, C. Shinohara, R. S. Saunder, D. Drake, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Medusae Fossae-Elysium Region, Mars: Depression in the HEND/Odyssey Map of Mars Epithermal Neutrons, M. A. Ivanov, M. L. Litvak, I. G. Mitrofanov, W. V. Boynton, R. S. Saunders, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

The Enhancement of Water Ice Content in the Local Area Northeast from Arcadia Planitia: Evidence from Neutron Data from HEND (Mars Odyssey) and Elevation from MOLA (MGS), A. B. Sanin, I. G. Mitrofanov, A. S. Kozyrev, M. L. Litvak, V. Tretyakov, D. E. Smith M. T. Zuber, W. V. Boynton, R. S. Saunders, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

An Extended Classification Scheme for the Acapulcoites and Lodranites, A. Patzer, D. H. Hill, W. V. Boynton, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Mars: Detaching of the Free Water Signature (FWS) Presence Regions on the Base of HEND/ODYSSEY Data and Their Correlation with some Permafrost features from MOC Data, R. O. Kuzmin, I. G. Mitrofanov, M. L. Litvak, W. V. Boynton, R. S. Saunders, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

AGE (Argon Geochronology Experiment): An Instrument for In Situ Geochronology on the Surface of Mars, T. D. Swindle, R. Bode, W. V. Boynton, D. A. Kring, M. Williams, A. Chutjian, M. R. Darrach, D. A. Cremers, R. C. Weins, S. L. Baldwin, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Effects of Solar Particles on the Mars Odyssey Gamma-Ray Spectrometer, L. G. Evans, R. C. Reedy, W. V. Boynton, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Gamma Rays in a Spectrum from the Mars Odyssey Gamma-Ray Spectrometer, R. C. Reedy, L. G. Evans, J. Bruckner, K. J. Kim, W. V. Boynton, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 -21, 2003.

Martian Gamma Albedo, O. Gasnault, S. Maurice, C. d'Uston, W. V. Boynton, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

2001 Mars Odyssey Gamma-Ray Spectrometer Science Data Products, M. K. Crombie, K. P. Harshman, G. K. McArthur, C. Shinohara, W. V. Boynton, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Growth of CO2 Frost Thickness near Chasma Boreale during Northern Winter and Spring, W. C. Feldman, W. V. Boynton, T. H. Prettyman, N. Kelly, S. Maurice, M. Mellon, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

JaH 031: A New LL Chondrite Breccia from Oman, D. H. Hill, A. Patzer, W. V. Boynton, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Atmospheric Corrections for Neutrons Reveal Variations in Surface Composition in the Tharsis Region, T. H. Prettyman, W. C. Feldman, W. V. Boynton, G. W. McKinney, D. J. Lawrence, M. T. Mellon, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Evolution of the Martian Crust: Evidence from Preliminary Potassium and Thorium Measurements by Mars Odyssey Gamma-Ray Spectrometer, G. J. Taylor, W. Boynton, D. Hamara, K. Kerry, D. Janes, J. Keller, W. Feldman, T. Prettyman, R. Reedy, J. Bruckner, H. Wanke, L. Evans, R. Starr, S. Squyres, S. Karunatillake, O. Gasnault, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Preliminary Correlations of Mars GRS Elemental Abundances with Thermal Inertia, Albedo, and Rock Abundance, J. M. Keller, W. V. Boynton, G. J. Taylor, K. Kerry, D. M. Janes, D. Hamara, M. A. Chamberlain, S. W. Squyres, S. Karunatillake, O. Gasnault, The Mars GRS Team, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Education Use and Effectiveness of an Auditory Display of Mars GRS Data, J. M. Keller, W. V. Boynton, H. L. Enos, D. Hamara, D. Janes, K. Kerry, S. M. Pompea, E. E. Prather, M. Quinn, T. F. Slater, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Compositional Diversity of the Martian Crust: Preliminary Data from the Mars Odyssey Gamma-Ray Spectrometer, W. V. Boynton, G. J. Taylor, D. Hamara, K. Kerry, D. Janes, J. Keller, W. Feldman, T. Prettyman, r. Reedy, J. Bruckner, H. Wanke, L. Evans, R. Starr, S. Squyres, S. Karunatillake, O. Gasnault, Lunar and Planetary Science Conference XXXIV, Houston, TX, March 17 - 21, 2003.

Abundance and Distribution of Ice in the Polar Regions of Mars: More Evidence for Wet Periods in the Recent Past, W. V. Boynton, M. Chamberlain, W. C. Feldman, T. Prettyman, D. Hamara, D. Janes, K. Kerry, GRS team, Sixth International Conference on Mars, Pasadena, CA, July 20 - 25, 2003.

4-D Model of CO2 Deposition at North and South of Mars from HEND/Odyssey, and MOLA/MGS, M. L. Litvak, I. G. Mitrofanov, A. S. Kozyrev, A. B. Sanin, V. Tretyakov, D. E. Smith, M. T. Zuber, W. V. Boynton, D. K. Hamara, C. Shinohara, R. S. Saunders, D. Drake, Sixth International Conference on Mars, Pasadena, CA, July 20 - 25, 2003.

Vertical Distribution of Shallow Water in the Distinguishable Regions at Low and High Latitudes of Mars: Neutron Data Deconvolution of HEND, I. G. Mitrofanov, M. L. Litvak, A. S. Kozyrev, A. B. Sanin, V. Tretyakov, W. V. Boynton, D. K. Hamara, C. Shinohara, R. S. Saunders, D. Drake, R. Duzmin, Sixth International Conference on Mars, Pasadena, CA, July 20 - 25, 2003.

Mid-Latitude Composition of Mars from Thermal and Epithermal Neutrons, T. H. Prettyman, W. C. Feldman, R. C. Elphic, W. V. Boynton, D. L. Bish, D. T. Vaniman, H. O. Funsten, D. J. Lawrence, S. Maurice, G. W. McKinney, K. R. Moore, R.L. Tokar, Sixth International Conference on Mars, Pasadena, CA, July 20 - 25, 2003.

The Global Distribution of NEAR-Surface Hydrogen on Mars, W. C. Feldman, T. H. Prettyman, W. V. Boynton, S. W. Squyres, D. L. Bish, R. C. Elphic, H. O. Funsten, D. J. Lawrence, S. Maurice, K. R. Moore, R. L. Tokar, D. T. Vaniman, Sixth International Conference on Mars, Pasadena, CA, July 20 - 25, 2003.

Preliminary Thickness Measurements of the Seasonal Polar Carbon Dioxide Frost on Mars, N. J. Kelly, W. V. Boynton, K. Kerry, D. Hamara, D. Janes, I. Mikheeva, T. Prettyman, W. C. Feldman, GRS team, Sixth International Conference on Mars, Pasadena, CA, July 20 - 25, 2003.

Evolution of the Martian crust as derived from surface measurements by Mars Odyssey, other space Missions, and Martian Meteorites, G. Dreibus, J. Bruckner, W. V. Boynton, Sixth International Conference on Mars, Pasadena, CA, July 20- 25, 2003.

Igneous and Aqueous processes on Mars: Evidence from Measurements of K and Th by the Mars Odyssey Gamma Ray Spectrometer, G.J. Taylor, W. Boynton, D. Hamara, K. Kerry, D. Janes, J. Keller, W. Fledman, T. Prettyman, R. Reedy, J. Bruckner, H. Wanke, L. Evans, R. Starr, S. Squyres, S. Karunatillake, O. Gasnault, and Odyssey GRS Team, Sixth International Conference on Mars, Pasadena, CA, July 20 -25, 2003.

Abundance and Distribution of Ice in the Polar Regions of Mars: More Evidence for Wet Periods in the Recent Past, W.V. Boynton, M. Chamberlain, W.C. Feldman, T. Prettyman, D. Hamara, D. Janes, K. Kerry, the GRS Team, Sixth International Conference on Mars, July 2003.

Mid-Latitude Composition of Mars from Thermal and Epithermal Neutrons, T.H. Prettyman, W.C. Feldman, R.C. Elphic, W.V. Boynton, D.L. Bish, D.T. Vaniman, H.O. Funsten, D.J. Lawrence, S. Maurice, G.W. McKinney, K.R. Moore, R.L. Tokar, Sixth International Conference on Mars, July 2003.

Preliminary Thickness Measurements of the Seasonal Polar Carbon Dioxide Frost on Mars, N.J. Kelly, W.V. Boynton, K. Kerry, D. Hamara, D. Janes, I. Mikheeva, T. Prettyman, W.C. Feldman, the GRS Team, Sixth International Conference on Mars, July 2003.

The Global Distribution of Near-Surface Hydrogen on Mars, W.C. Feldman, T.H. Prettyman, W.V. Boynton, S.W. Squyres, D.L. Bish, R.C. Elphic, H.O. Funsten, D.J. Lawrence, S. Maurice, K.R. Moore, R.L. Tokar, D.T. Vaniman, Sixth International Conference on Mars, July 2003.

Igneous and Aqueous Processes on Mars: Evidence from Measurements of K and Th by the Mars Odyssey Gamma Ray Spectrometer, G.J. Taylor, W. Boynton, D. Hamara, K. Kerry, D. Janes, J. Keller, W. Feldman, T. Prettyman, R. Reedy, J. Bruckner, H. Wanke, L. Evans, R. Starr, S. Squyres, S. Karunatillake, O. Gasnault,the Odyssey GRS Team, Sixth International Conference on Mars, July 2003.

Evolution on the Martian Crust as Derived from Surface Measurements by Mars Odyssey, Other Space Missions, and Martian Meteorites, G. Dreibus, J. Bruckner, W.V. Boynton, Sixth International Conference on Mars, July 2003.

Vertical Distribution of Shallow Water in the Distinguishable Regions at Low and High Latitudes of Mars: Neutron Data Deconvolution of HEND, I.G. Mitrofanov, M.L. Litvak, A.S. Kozyrev, A.B. Sanin, V. Tretyakov, W.V. Boynton, D.K. Hamara, C. Shinohara, R.S. Saunders, D. Drake, R. Kuzmin, Sixth International Conference on Mars, July 2003.

4-D Model of CO2 Deposition at North and South of Mars from HEND/Odyssey and MOLA/MGS, M.L. Litvak, I.G. Mitrofanov, A.S. Kozyrev, A.B. Sanin, V. Tretyakov, D.E. Smith, M.T. Zuber, W.V. Boynton, D.K. Hamara, C. Shinohara, R.S. Saunders, D. Drake, Sixth International Conference on Mars, July 2003.

Results from the Mars Odyssey Gamma-Ray Spectrometer: Distribution of Volatile and Rock-forming Elements, W. V. Boynton, G. J. Taylor, L. G. Evans, W. C. Feldman, I. G. Mitrofanov, R. C. Reedy, S. W. Squyres, R. Starr, D. K. Hamara, K. Kerry, & GRS Team, Bulletin of the American Astronomical Society, 35, Monterey, CA, Sept 1-6, 2003.

Results from the Mars Odyssey Gamma-Ray Spectrometer: Distribution of Volatile and Rock-forming Elements, W. V. Boynton, G. J. Taylor, L. G. Evans, W. C. Feldman, I. G. Mitrofanov, R. C. Reedy, S. W. Squyres, R. Starr, D. K. Hamara, K. Kerry, & GRS Team, Bulletin of the American Astronomical Society, 35, Monterey, CA, Sept 1-6, 2003.

Mars Low-Latitude Neutron Distribution: Possible Remnant Near-Surface Water Ice, B.M. Jakosky, M.T., Mellon, S. Varnes, W. Feldman, W.Boynton, R. M. Haberle, submitted to Bulletin of the American Astronomical Society, 35 (4), San Francisco, CA, Dec 8 -12,2003.

Constraints on the Distribution of Hydrogen in the Polar Regions of Mars and Implications for Ice Formation Processes, W. V. Boynton, T. H. Prettyman, K. Kim, G. J. Taylor, L. G. Evans, W. C. Feldman, I. G. Mitrofanov, R. C. Reedy, S. W. Squyres, R. Starr, D. K. Hamara, D. M. Janes, Kerry, K. Chamberlain, M., American Geophysical Union, December 2003.

Evolution of the Martian Crust: Evidence from K and Th Measurements by the Mars Odyssey GRS, G. Taylor, W.V. Boynton, American Geophysical Union, December 2003.

Preliminary Thickness Measurements of the Seasonal Polar Carbon Dioxide Frost on Mars, N.J. Kelly, W.V. Boynton, K. Kerry, D. Hamara, D. Janes, W.C. Feldman, T.H. Prettyman, American Geophysical Union, December 2003.

Preliminary GRS Measurement of Chlorine Distribution on Surface of Mars, J.M. Keller, W.V. Boynton, G.J. Taylor, D. Hamara, D.M. Janes, K. Kerry, American Geophysical Union, December 2003.

SHORT ABSTRACTS

Rare earth and other abundances in calcium-poor achondrites (abs.), W. V. Boynton and R. A., Schmitt,Meteoritics 8, 16, 1973.

Origin of enstatite achondrites (abs.), W. V. Boynton and R. A. Schmitt, Meteoritics 8, 330, 1973.

Fractionated rare earth abundances in an Allende inclusion: A sample of a fractionated nebular gas (abs.), W. V. Boynton, Meteoritics 9, 318, 1974.

The application of rare earth elements to infer gas-grain temperature differentials in the solar nebula (abs.), W. V. Boynton, Meteoritics 10, 369, 1975.

Rare earth and other elemental abundances in Allende inclusions (abs.), R. L. Conard, R.A. Schmitt, and W. V. Boynton, Meteoritics 10, 384, 1975.

Aubrites: Regolith breccias from a differentiated parent body (abs.), W. V. Boynton and R. A. Schmitt, Trans. Amer. Geophys. Union 57, 152, 1976.

Nebular mixing to form the Allende parent body (abs.), W. V. Boynton, Meteoritics 11, 252, 1976.

A brief review of the chemistry of CA, Al-rich inclusions in the Allende Meteorite (abs.), W. V. Boynton, Meteoritics 12, 183-184, 1977.

A study of rare earth elemental abundances in iron meteorites (abs.), S. Nozette and W. V. Boynton, Meteoritics 14, 501, 1979.

Supernova material in Allende inclusions (abs.), W. V. Boynton, Meteoritics 14, 357, 1979.

Trace element abundances in ultra-refractory condensates from the Murchison meteorite (abs.), W. V. Boynton, R. M. Frazier, and J. D. Macdougall, Meteoritics 15, 269, 1980.

An upper limit on the abundance of superheavy element Z-110 in the early solar system (abs.), S. Nozette and W. V. Boynton, Meteoritics 15, 345, 1980.

Rare-earth element abundances in separates from the enstatite chondrite Abee (abs.), R. M. Frazier and W. V. Boynton, Meteoritics 15, 291, 1980.

Trace elements in chondrule rims (abs.), L. L. Wilkening, D. H. Hill, and W. V. Boynton, Meteoritics 17, 296-297, 1982.

Trace elements in Ca,Al-rich chondrules in the Dhajala (H3) chondrite (abs.), W. Boynton, D. H. Hill, D. A. Wark and A. Bischoff, Meteoritics 18, 270-271, 1983.

Refractory trace elements in Ca,Al-rich inclusions: Evidence for a complex condensation history in the solar nebula (abs.), W. V. Boynton, 27th International. Geologic Congress, Moscow, July 1984.

Kilauea Volcano aerosols: Evidence in siderophile element abundances for impact-induced oceanic volanism at the K/T Boundary, A. R. Hildebrand, W. V. Boynton and W. H. Zoller, Meteoritics 19, 239-240, 1984.

Trace element abundances in rim layers of an Allende type A coarse- grained, Ca-Al-rich inclusion (abs.), W. V. Boynton and D. A. Wark, Meteoritics 19, 195-197, 1984.

Refractory rims: Evidence for high temperature events in the post- formation history of Ca-Al-rich inclusions (abs.), W. V. Boynton and D. A. Wark, Meteoritics 20, 613-614, 1985.

Partitioning of REE between hibonite and melt and implications for nebular condensation of the REE (abs.), M. J. Drake and W. V. Boynton, Meteoritics 21, 356-357, 1986.

The light rare earth element host phase in ureilite meteorites (abs.), A. H. Spitz and W. V. Boynton, Meteoritics 21, 515-516, 1986.

Definition of complex organic molecules in space: Instrumentation for amino acid analysis (abs.), M. F. Burke, B. Nagy, M. Malcomson, E. J. Dabrea, M. J. Rigali and W. V. Boynton, 19th Annual Meeting of the Division for Planetary Sciences, Pasadena, November 1987.

Chemical characterization of comet ices: Effluent gas analysis by gas chromatography (abs.), C. Palmer, E. Robinson, W. V. Boynton, M. F. Burke and J. I. Lunine, 19th Annual Meeting of the Division for Planetary Sciences, Pasadena, November 1987.

Chemical characterization of comet ices: Application of differential scanning calorimetry (abs.), C. Fung Kee Fung, D. Johnson, M. F. Burke, W. V. Boynton and J. I. Lunine, 19th Annual Meeting of the Division for Planetary Sciences, Pasadena, November 1987.

Possibilities and constraints of the presence of amino acids in cometary nuclei (abs.), B. Nagy, M. F. Burke and W. V. Boynton, 19th Annual Meeting of the Division for Planetary Sciences, Pasadena, November 1987.

Gamma-ray/neutron spectroscopy from the Mars Observer (abs.), P. Englert, R. C. Reedy, D. M. Drake, W. C. Feldman, S. W. Squyres, L. G. Evans and W. V. Boynton, Mars Evolution of Volcanics, Tectonics and Volatiles (MEVTV) Workshop, "Nature and Composition of Surface Units on Mars", December 4-5, 1987.

Nebular processes associated with CAI rim formation (abs.) W. V. Boynton, Meteoritics 23, 259, 1988.

Impact wave deposits at the Cretaceous/Tertiary boundary imply an oceanic impact site near North America (abs.), A. R. Hildebrand and W. V. Boynton, Meteoritics 23, 274, 1988.

The Comet Rendezvous Asteroid Flyby (CRAF) penetrator instrument complement: Unlocking the secrets of the comet nucleus (abs.), W. V. Boynton, R. Reinert and E. Stogsdill, The 2nd AIAA/JPL International Conference on Solar System Exploration, California Institute of Technology, Pasadena, August 22-24, 1989.

Hg anomalies at the K/T boundary: Evidence for acid rain? (abs.), A. R. Hildebrand and W. V. Boynton, Meteoritics 24, 277-278, 1989.

Chemical memory in chondrules of precursor dust with fractionated compositions (abs), D. A. Kring and W. V. Boynton, Meteoritics 24, 289- 290, 1989.

Location of the Cretaceous/Tertiary boundary impact site (abs.), A. R. Hildebrand and W. V. Boynton, Abstracts with Program, Geological Society of America Annual Meeting, A371, 1989.

Geochemical evidence for atmospheric processing by the Cretaceous/Tertiary boundary impact (abs.), A. R. Hildebrand and W. V. Boynton, Bulletin of the American Astronomical Society 21, 3, 973, 1989.

Locating the Cretaceous/Tertiary boundary impact crater(s) (abs.), A. R. Hildebrand and W. V. Boynton, EOS, Transactions of the American Geophysical Union 43, 1424-1425, 1990.

Cretaceous/Tertiary boundary impact site(s) between the Americas (abs.), A. R. Hildebrand, D. A. Kring, W. V. Boynton, G. T. Penfield and M. Pilkington, Geol. Soc. Amer. Abstracts with Programs 22, A280, 1990.

Trace-element compositions of Ca-rich chondrules from Allende: Relationships between refractory inclusions and ferromagnesian chondrules (abs.), D. A. Kring and W. V. Boynton, Meteoritics 25, 377, 1990.

A Cretaceous/Tertiary boundary ejecta layer, ~50 cm thick, from Beloc, Haiti, A. R. Hildebrand, D. A. Kring and W. V. Boynton, Meteoritics 25, 370-371, 1990.

The formation of olivine coronas in Mesosiderites (abs.), A. Ruzicka and W. V. Boynton, Meteoritics 25, 403, 1990.

Chemistry, temperature and thermal variations in the photoplanetary nebula, H. Palme, and W. V. Boynton, Protostars and Planets III, 1990.

Proximal ejecta of the Chicxulub crater, Yucatan Peninsula, Mexico, A. R. Hildebrand and W. V. Boynton, Meteoritics 26, 345, 1991.

Calcalong Creek: A KREEPy lunar meteorite (abs.), D. H. Hill, W. V. Boynton and R. A. Haag, Meteoritics 26, 345-346, 1991.

Petrologic description of Eagles Nest: A new olivine achondrite (abs.), D. A. Kring, W. V. Boynton, D. H. Hill and R. A. Haag, Meteoritics 26, 360, 1991.

Burst detection capability of the Mars Observer gamma-ray spectrometer (abs.), A. E. Metzger, W. V. Boynton, J. G. Laros, and J. I. Trombka, Gamma-Ray Burst Workshop, University of Alabama, Huntsville, October 16- 18, 1991.

Redistribution of subsurface neutrons caused by ground ice on Mars (abs.), W. C. Feldman, W. V. Boynton, B. M. Jakosky and M. T. Mellon, Workshop on the Evolution of the Martian Atmosphere, Lunar and Planetary Institute, The MSATT Study Group (Mars Surface and Atmosphere Through Time), Kona, Hawaii, June 29 - July 1, 1992.

A silica-rich, sodium-poor igneous clast in the Bovedy (L3) chondrite (abs.), A. Ruzicka and W. V. Boynton, Meteoritics 27, 283, 1992.

The origin of silica-rich chondrules and clasts in ordinary and carbonaceous chondrites (abs.), A. Ruzicka and W. V. Boynton, Meteoritics 27, 284, 1992.

In-situ studies of primitive bodies, W. V. Boynton, Workshop on Advanced Technologies for Planetary Instruments, Fairfax, Virgina, April 28-30, 1993.

Thermal and evolved gas analysis for the MESUR mission, Workshop on Advanced Technologies for Planetary Instruments, Fairfax, Virginia, April 28-30, 1993.

The trace element composition of a silica-rich clast in the Bovedy (L3/4) chondrite, A. Ruzicka, D. A. Kring, D. H. Hill and W. V. Boynton, Meteoritics 28, 426-427, 1993.

The Cryo-Penetrator: An approach to exploration of icy bodies in the solar system (abs.), W. V. Boynton and R. P. Reinert, International Academy of Astronautics Conference on Low-Cost Planetary Missions, Laurel, Maryland, April 12-15, 1994.

The relationship between ordinary chondrites and asteroids: Implications for mission targeting, D. A. Kring, D. T. Britt and W. V. Boynton, (papers presented to the European Geophysical Society, XIX General Assembly, Grenoble, France, in press) April 25-29, 1994.

A concept for a thermal and evolved-gas analyzer for Martian soils, W. V. Boynton, C. McKay, A. Zent and J. Martin, Workshop on "Mars Surveyor: Science Objectives/ Measurement Requirements", Jet Propulsion Laboratory, Pasadena, California, May 10-11, 1994.

Origin of CAI rims by vaporization and metasomatism (abs.), A. Ruzicka and W. V. Boynton, 57th Meteoritical Society Conference, Prague, Czech Republic, July 25-29, 1994.

Experimental thermochemistry of clathrate hydrates (abs.), B. A. Cohen and W. V. Boynton, Solar System Toulouse, France, March 27-30, 1995.

The X-Gamma-Ray Spectrometer (XGRS) for the Near Earth Asteroid Rendezvous (NEAR) Mission, (abs.), J. I. Trombka, P.E. Clark, L. G. Evans, R. Starr, W. V. Boynton, J. Brückner, S. W. Squyres, A. F. Cheng, R. E. Gold, J. O. Goldstein and R. L. McNutt, European Geophysical Society, XX General Assembly, Hamburg, Germany, April 3-7, 1995.

Global science first: The rational approach to exploring the Moon (abs.), D. A. Morrison, B. G. Drake and W. V. Boynton, Workshop on the Moon as an International Scientific Resource, Hamburg, Germany, April 5-7, 1995.

The Lunar Discovery Orbiter: A low-cost, low-risk mapper (abs.), W. V. Boynton, B. Drake and D.A. Morrison, A. Stewart and S. H. Bailey, Workshop on the Moon as an International Scientific Resource, Hamburg, Germany, April 5-7, 1995.

Shergottite mixing relations, partial melting models, and the neodymium evolution of the Martian mantle, J. D. Gleason, D. A. Kring and W. V. Boynton, Meteoritics 30, 511, 1995.

Observation of 433 Eros with the x-ray/gamma-ray remote sensing spectrometer on the NEAR mission, J. I. Trombka, W. V. Boynton, J. Bruckner, S. W. Squyres, P. E. Clark, L. G. Evans, S. R. Floyd, R. Starr, E. Fiore, R. Gold, J. Goldsten and R. McNutt, Meteoritics 30, 589-590, 1995.

Quantitative models of CAI rim layer growth, A. Ruzicka and W. V. Boynton, Meteoritics 30, 570, 1995.

A resource-constrained integrated instrument package for a comet lander, W. V. Boynton, C. d=Uston,

J. I. Trombka, L. G. Evans, M. F. Burke, B. A. Cohen and S. A. Bailey, Second IAA International Conference on Low-Cost Planetary Missions, Johns Hopkins University/Applied Physics Laboratory, April 16-19, 1996.

The use of small penetrators to return samples and host instrument packages, W. V. Boynton, A. Cheng, J. A. Carroll and S. H. Bailey, Second IAA International Conference on Low-Cost Planetary Missions, Johns Hopkins University/Applied Physics Laboratory, April 16-19, 1996.

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