R. D. Lorenz and J. Mitton, ‘Lifting Titan’s Veil’, published by Cambridge University Press, June 2002

R. D. Lorenz, 'Electric Propulsion and Small Satellites - a review', The Aeronautical Journal, pp.204-213, June 1991

R. D. Lorenz,'Wake-Induced Dust Cloud Formation following Impact of Planetary Landers' Icarus vol.101 pp.165-167, 1993

R. D. Lorenz,'The Life, Death and Afterlife of a Raindrop on Titan' Planetary and Space Science, vol.41 No.9 pp.647-655, 1993

R. D. Lorenz,'Raindrops on Titan' Advances in Space Research vol.15 pp.317-320, 1995

R. D. Lorenz,'The Surface of Titan in the context of ESA's Huygens Probe' ESA Journal, vol.17 pp.275-292, 1993

R. D. Lorenz,'Crater Lakes on Titan : Rings, Horseshoes and Bullseyes', Planetary and Space Science vol.42 pp.1-4, 1994

L. M. Lara, R. D. Lorenz and R Rodrigo, 'Liquids and Solids on the Surface of Titan: Results of a new Photochemical Model' , Planetary and Space Science vol.42 pp.5-14, 1994

R. D. Lorenz, M. Bannister, P. M. Daniell, Z. Krysinski, M. R. Leese, R. J. Miller, G. Newton, P. Rabbetts, D. M. Willett and J. C. Zarnecki'An Impact Penetrometer for a Landing Spacecraft', Measurement Science and Technology, vol.5 pp.1033-1041, 1994

R. D. Lorenz,'Huygens Probe Impact Dynamics', ESA Journal , vol.18 pp.93-117, 1994

F Sohl, W.D. Sears and R. D. Lorenz,'Tidal Dissipation on Titan', Icarus, vol.115,pp.278-294, 1995

R. D. Lorenz,‘Titan : Unveiling an Icy Giant’ The Geoscientist, vol.5 No.2 p.22, 1995

R. D. Lorenz, J. I. Lunine, J. A. Grier and M.A. Fisher,’ Prediction of Aeolian Features on Planets : Application to Titan Paleoclimatology’, Journal of Geophysical Research (Planets), Vol.88 pp.26,377-26,386, 1995

M.A. English, L. M. Lara, R. D. Lorenz, P.R. Ratcliff and R. Rodrigo,’Ablation and Chemistry of Meteoric Materials on Titan’, Advances in Space Research, vol.12 pp.157-160, 1996.

R. D. Lorenz and J.I.Lunine, 'Erosion on Titan : Past and Present', Icarus, vol.122, pp.79-91, 1996

P. H. Smith, M.T. Lemmon, R. D. Lorenz, L.A. Sromovsky, J. Caldwell and M.D. Allison,’Titan’s Surface, Revealed by HST Imaging’, Icarus vol.119, pp.336-349, 1996

K. J. Kossacki and R. D. Lorenz,'Hiding Titan’s Ocean : Densification and Hydrocarbon Storage in an Icy Regolith' Planetary and Space Science, vol.44 pp.1029-1037, 1996

R. D. Lorenz,'Pillow Lava on Titan : Expectations and Constraints on Cryovolcanic Processes', Planetary and Space Science, vol.44, pp.1021-1028, 1996

R. D. Lorenz, C. P. McKay and J. I. Lunine, 'Photochemically-Driven Collapse of Titan's Atmosphere', Science, vol. 275, pp.642-644, 1997

R. D. Lorenz,’Martian Surface Windspeeds, described by the Weibull distribution’, Journal of Spacecraft and Rockets, vol. 33, pp.754-756, 1996

E. Karkoschka and R. D. Lorenz, Latitudinal Variation of Aerosol Sizes Inferred from Titan's Shadow, Icarus, vol. 125, pp.369-379, 1997

R. D. Lorenz, P. H. Smith, M. T. Lemmon, E. Karkoschka, J. Caldwell and G. W. Lockwood,' Titan's North-South Asymmetry from HST and Voyager Imaging: Comparison with Models and Groundbased Photometry, Icarus, vol. 127, pp.173-189, 1997

R. D. Lorenz, 'Impacts and Cratering on Titan - a pre-Cassini View' Planetary and Space Science, vol. 45, 1009-1019, 1997

R. D. Lorenz and J. I. Lunine, 'Titan's Surface Reviewed: The Nature of Bright and Dark Terrain' Planetary and Space Science, vol.45 981-992, 1997

R. D. Lorenz, 'Did Comas Sola discover Titan's Atmosphere' Astronomy and Geophysics vol.38 No.3 June/July 1997, pp.16-18

R. D. Lorenz, J. I. Lunine and C. P. McKay, 'Titan Under a Red Giant Sun: A New Kind of "Habitable" World', Geophysics Research Letters, vol.24, pp.2905-2908, 1997

R. D. Lorenz, 'Design Considerations for Venus Microprobes', Journal of Spacecraft and Rockets, vol.35, 228-230, 1998

R. D. Lorenz, 'Solar Array Degradation by Dust Impacts during Cometary Encounters', Journal of Spacecraft and Rockets, vol. 35, 579-582, 1998

J. I. Lunine, R. D. Lorenz and W. K. Hartmann, 'Speculations on Titan' Planetary and Space Science, vol. 46, 1099-1107, 1998

R. D. Lorenz, 'Microtektite Dispersal by Subcritical Impacts on Earth : Impact Fluence on Spacecraft' Journal of the British Interplanetary Society, vol.51, 471-476, 1998

R. D. Lorenz, 'Speed of Sound in Outer Planet Atmospheres' Planetary and Space Science, vol.47 pp.67-77, 1999

C. P. McKay, R. D. Lorenz and J. I. Lunine, 'Analytic Models of the Greenhouse and AntiGreenhouse Effects : Application to Titan and the Early Earth, Icarus, 137, 57-61, 1999

R. D. Lorenz, 'Preliminary Measurements of the Cryogenic Dielectric Properties of Water-Ammonia Ices : Application to Radar Observations of Icy Satellites', Icarus, vol. 136, 344-348, 1998

R. D. Lorenz, C. P. McKay, and J. I. Lunine, ' Analytic Stability of Titan’s Climate : Sensitivity to Volatile Inventory' Planetary and Space Science, 47, 1503-1515, 1999

J. I. Lunine, Y. L. Yung and R. D. Lorenz, On the Volatile Inventory of Titan from Isotopic Abundances in Nitrogen and Methane, Planetary and Space Science, 47, 1291-1303, 1999

R. D. Lorenz, Calorimetric Radar Absorptivity Measurement using a Microwave Oven, Measurement Science and Technology, vol. 10 No. 6, pp.L29-L32, June 1999

R. D. Lorenz, M. T. Lemmon, P. H. Smith and G. W. Lockwood, Seasonal Change on Titan observed with the Hubble Space Telescope, Icarus, 142, 391-401, 1999

S. S. Smrekar et al., The DS-2 Mars Microprobe Mission, Journal of Geophysical Research, 104, 27013-27030, 1999

R. D. Lorenz and W. Zeitschel, An Intact Item of Soviet Space Debris with an Exposure Age of 10 Years, Journal of the British Interplanetary Society, 52, 439-442, 1999

R. D. Lorenz, J. E. Moersch, J. A. Stone, A.R. Morgan-Jr, S. E. Smrekar, Penetration Tests on the DS-2 Mars Microprobes : Penetration Depth and Impact Accelerometry, Planetary and Space Science, 48, 419-436 (2000)

J. B. Johnson and R. D. Lorenz, Thermophysical Properties of Alaskan Loess: An Analog Material for the Martian Polar Layered Terrain?, Geophysics Research Letters, 27, 2769-2772 (2000)

R. D. Lorenz Post-Cassini Exploration of Titan : Science Rationale and Mission Concepts, Journal of the British Interplanetary Society, 53, 218-234 (2000)

R. D. Lorenz, Microtektites on Mars : Texture and Volume of Distal Impact Ejecta Deposits, Icarus, 144, 353-366 (2000)

R. D. Lorenz and S. E. Shandera, Penetrator Launch Diagnostics from Pressure Measurements on an Air Cannon, Measurement Science and Technology, 11, 1819-1823 (2000)

R. D. Lorenz, The Weather on Titan, Science, 290, 467-468, 2000

R. D. Lorenz, C. Elachi, R. D. West, M. A. Janssen, M. Moghaddam, G. Hamilton, W. T. K. Johnson, O. Liepack, A. Bunker, L. E. Roth, S. D. Wall, L. Dente, D. Casarano, F. Posa, Cassini RADAR- Earth and Venus Observations, Journal of Geophysical Research, 106 (A12)30,271-30,280

R. D. Lorenz and S. E. Shandera, Physical Properties of Ammonia-Rich Ice : Application to Titan,

Geophysics Research Letters 28, 215-218 (2001)

C. P. McKay, A. Coustenis, R. E. Samuelson, M. T. Lemmon, R. D. Lorenz, M. Cabane, P. Rannou, P. Drossart, Physical Properties of the Organic Aerosols and Clouds on Titan, Planetary and Space Science, 49, 79-99 (2001)

R. D. Lorenz, J. I. Lunine, C. P. McKay and P G Withers, Entropy Production by Latitudinal Heat Flow on Titan, Mars and Earth, Geophysics Research Letters 28, 415-418, 2001

R. D. Lorenz, Scaling Laws for Flight Power of Airships, Airplanes and Helicopters : Application to Planetary Exploration, Journal of Aircraft, 38, 208-214, 2001

Boynton, William V. ; Bailey, Samuel H. ; Hamara, David K. ; Williams, Michael S. ; Bode, Rolfe C. ; Fitzgibbon, Michael R. ; Ko, WenJeng ;Ward, Michael G. ; Sridhar, K. R. ; Blanchard, Jeff A. ; Lorenz, Ralph D. ; May, Randy D. ; Paige, David A. ; Pathare, Asmin V. ; Kring, David A. ; Leshin, Laurie A. ; Ming, Douglas W. ; Zent, Aaron P. ; Golden, D. C. ; Kerry, Kristopher E. ; Lauer, H. Vern Jr., ; Quinn, Richard C. Thermal and Evolved Gas Analyzer: Part of the Mars Volatile and Climate Surveyor integrated payload J. Geophys. Res. Vol. 106 , No. E8 , p. 17,683, 2001

R. D. Lorenz, J. I. Lunine and C. P. McKay, Geological Settings for Aqueous Synthesis on Titan Revisited, Enantiomer Vol. 6, 83-96, 2001.

C. Elachi et al., RADAR : The Cassini Titan Radar Mapper, Space Science Reviews, in press

R. D. Lorenz and S. E. Shandera, Target Effects During Penetrator Emplacement : Crushing, Heating and Triboelectric Charging, Planetary and Space Science, vol.50,141-157, 2002

R. D. Lorenz, E. F. Young and M. T. Lemmon, Titan’s Smile and Collar : HST Observations of Seasonal Change 1994-2000, Geophysical Research Letters, 28, 4453-4456, 2001

R. D. Lorenz, Thermodynamics of Geysers: Application to Titan, Icarus in press

R. D. Lorenz, A. J. T .Jull, J. I. Lunine and T. Swindle, Radiocarbon on Titan, Meteoritics and Planetary Science, submitted

R. D. Lorenz, Planets, Life and the Production of Entropy, International Journal of Astrobiology, in press

R. D. Lorenz and N. O Renno, Work Output of Planetary Atmospheric Engines : Dissipation in Clouds and Rain, Geophysical Research Letters, in press

Lemmon, M. T., P. H. Smith and R. D. Lorenz, Methane Abundance on Titan, Measured by the Space Telescope Imaging Spectrograph, submitted to Icarus

The Planetary Observer’s Handbook, in Astronomy, October 2001, pp.92-94

Reviewed book proposals for Cambridge University Press, Wiley, Addison-Wesley

R. D. Lorenz and J. C. Zarnecki,'In-situ exploration of the Kordylewski Clouds' Workshop on Hypervelocity Impacts in Space, Canterbury, July 1991

R. D. Lorenz,‘Assessment of Lightning and Triboelectric Charging Hazard to the Huygens Probe’ pp. 265-270 in 'Huygens : Science, Payload and Mission', ESA Special Publication SP-1177, August 1997

J.C. Zarnecki, M. Banaszkiewicz, M. Bannister, W. V. Boynton, P. Challenor, B. Clark, P.M. Daniell, J. Delderfield, M.A. English, M. Fulchignoni, J. R. C. Garry, J.E. Geake, S. F. Green, B. Hathi, S. Jaroslawski, M.R. Leese, R.D.Lorenz, J.A.M.McDonnell, N. Merryweather-Clarke, C. S. Mill, R.J. Miller, G. Newton, D.J.Parker, L. H. Svedhem, R. F. Turner and M.J.Wright, ‘The Surface Science Package’, pp. 177-195 in 'Huygens : Science, Payload and Mission', ESA Special Publication SP-1177, August 1997

A. Coustenis and R. D. Lorenz, 'Titan' chapter (pp.377-404) in Encyclopaedia of The Solar System, Academic Press 1998

R. D. Lorenz and W. B. Hubbard, Speed of Sound in Planetary Atmospheres, in Handbook of Elastic Properties of Liquids, Solids and Gases, Academic Press, 2001

R. D. Lorenz, B. Hathi, M. R. Leese , J. R. C. Garry and J. C. Zarnecki, The Huygens SSP Penetrometer: An Update,

99-108, in Penetrometry in the Solar System, N I Kömle, G. Kargl, A. J. Ball and R. D. Lorenz (editors) Austrian Academy of Science Press, (2001)

R. D. Lorenz and A. J. Ball , Review of Impact Penetration Tests and Theories, pp.25-40 in in Penetrometry in the Solar System, N I Kömle, G. Kargl, A. J. Ball and R. D. Lorenz (editors) Austrian Academy of Science Press, (2001)

S. E. Smrekar, R. D. Lorenz and M. Urquhart , The Deep-Space-2 Penetrator Design and its use for accelerometry and estimation of thermal conductivity, pp.109-124 in Penetrometry in the Solar System, N I Kömle, G. Kargl, A. J. Ball and R. D. Lorenz (editors) Austrian Academy of Science Press, (2001)

R. D. Lorenz, 'Debris Hazard Poses Future Threat' Spaceflight Jan. 1988 pp.4-7

R. D. Lorenz, 'Born Again' Spaceflight March 1988 pp.92-95

R. D. Lorenz, 'All Satellites Cheap and Small' New Scientist 17 June 1989 pp.59-62

R. D. Lorenz, 'All Aboard the Pluto Express', New Scientist, 23 May 1996 p.34-37

R. D. Lorenz, 'Sixty Ways to Tour Saturn', New Scientist, 14 December 1996, pp.34-36

R. D. Lorenz,'Lifting Titan's Veil', New Scientist, 12 April 1997, pp.34-38

R. D. Lorenz, 'Death of a Watery World', New Scientist, 20 September 1997, pp. 34-37

R. D. Lorenz, Unveiling Tomorrow’s Technology, Astronomy, December 1999

R. D. Lorenz, Titan Here We Come, New Scientist, pp.24-27, 15 July 2000

R. D. Lorenz, Mars Attracts, New Scientist, pp.38-40 May 2001

R. D. Lorenz, Driven to Extremes, New Scientist, pp.38-42 6 October 2001

R.D.Lorenz,Titan Comes into Focus, Astronomy.com, January 2002

Changes on Titan on Geological, Seasonal & hourly timescales, Observatoire de Paris-Meudon, France, July 1996

Titan's Surface - Revealed by Cassini : Cassini Inreach Seminar, JPL, November 1996

Evolution of Titan's Climate, Solicited Paper, European Geophysical Society Meeting, April 1997

Lifting Titan's Veil, LPI Seminar Series, Lunar and Planetary Institute, Houston, July 1997

Lifting Titan's Veil, Lawrence Livermore National Laboratory, Houston, October 1997

Expected Surface of Titan compared with Observed Surfaces of the Galilean Satellites, The Jovian System after Galileo: The Saturnian System before Cassini, Nantes, France, May 1998

Titan : HST Observations and Climate Modelling, Steward Observatory SummerTime Astro Research Seminar, July 1998

Habitable Worlds, Edinburgh International Science Festival, April 1999

Production, Acceleration and Distribution of Microtektites, Theoretical Astrophysics Lunchtime Colloquium, March 2000

Entropy Production on Mars and Titan, Laboratoire de Meteorologie Dynamique, Jussieu, Paris, October 2000

Sand, Wind and Entropy, Planetary Science Research Unit, The Open University, Milton Keynes, England, October 2000

Radar and Entropy at Titan, Southwest Research Institute, Boulder, CO, December 2000

Maximum Entropy Production : A Simple Predictive Principle for Complex Convective Flows, University of Arizona, Theoretical Astrophysics Program Colloquium Series, 29 January 2001

Lifting Titan’s Veil, Lowell Observatory, Flagstaff, October 2001

4-day Seminar Series, Universitia Autonomia de Mexico, Mexico City, Mexico, November 2001

Work in Planetary Atmospheric Engines, European Research Course in Atmospheres, Observatoire de Haute-Provence, France, February 2002

R. D. Lorenz,'UoGAS - A Get Away Special Satellite with Orbit-raising Capability' paper SS-88-23 in proceedings of the 2nd Annual AIAA/USU Small Satellite Conference, Utah State University, 1988

R. D. Lorenz,'Aerodynamic Attitude Stabilisation for a Small, Low-Orbiting, Manoeuvreable Satellite' IAF paper ST-88-007 Presented at the 38th IAF Congress, Bangalore, India , October 1988 (won prize for best undergraduate paper - Also appears in Acta Astronautica Vol.19 No. 6/7 pp.573-576, 1989)

R. D. Lorenz,'Electric Propulsion and Small Satellites' 3rd AIAA/USU Conference on Small Satellites, Utah State University, September 1989.

R. D. Lorenz,'Space Debris and its Utilisation' IAF Paper ST-89-001 Presented at the 39th IAF Congress, Malaga, Spain 1989

R. D. Lorenz,'Design of an Electrically-Propelled Asteroid Probe Launched as a Secondary Payload' 4th Annual AIAA/USU Conference on Small Satellites, Utah State University, August 1990

R. D. Lorenz,'Remote Asteroid Surface Analysis Using Exhaust from an Ion Thruster' IAF-90-312 Presented at the 40th IAF Congress, Dresden, Germany, October 1990

R. D. Lorenz,'Gravitational Tide in The Atmosphere of Titan' Symposium on Titan, Toulouse, September 1991 (ESA SP-338),pp.119-123

R. D. Lorenz,'Huygens Probe - The Surface Mission' ibid. pp.359-264

R. D. Lorenz,'Design of the Scientific Payload for the UK Student Rocket ASPIRE' IAF-ST-92-0010, Presented at the IAF Congress, Washington DC, September 1992

R. D. Lorenz, D Gautier and J-P Lebreton,'A Deep Jupiter Probe' IAF-93-Q.5-412, Presented at the IAF Congress, Graz, Austria, October 1993

R. D. Lorenz,'Impact Dynamics and Measurements on a Comet Lander' presented at COSPAR meeting, July 1994

R. D. Lorenz,'Descent and Impact Dynamics of the Huygens Probe' IAF-94.A.1.004, presented at the IAF Congress, Jerusalem, Israel, October 1994

R. D. Lorenz,'Cassini Mission : Radar Sensing of Craters on Titan', Lunar and Planetary Science Conference, Houston, TX, March 1995 (Abstracts volume pp.863-864)

R. D. Lorenz, P.H. Smith and M.T.Lemmon, 'The Search for Clouds on Titan using HST Imaging', DPS Conference, Hawaii, 1995

P. H. Smith,R. D. Lorenz and M.T. Lemmon,'Titan’s North-South Asymmetry:New information from HST Images',DPS Conference, Hawaii, 1995

R. D. Lorenz, Characterization of a Planet : Dependence on Coverage Fraction, Lunar and Planetary Science Conference, Houston, TX, March 1996 (Abstracts volume pp.773-774)

R. D. Lorenz and H. J. Melosh,'Parabolic Features on Titan: Probably Not', Lunar and Planetary Science Conference, Houston, TX, March 1996 (Abstracts volume pp.774-775)

R. D. Lorenz and K.T. Nock ‘Balloon Experiment at Titan’, 2nd IAA Conference on Low Cost Planetary Missions, April 1996 (IAA-L-0606)

J. I. Lunine and R. D. Lorenz, ' The Surface of Titan Revealed by Cassini/Huygens' Proceedings SPIE

(International Society for Optical Engineering) Vol. 2803, pp.45-54, August 1996.

E. Karkoschka, R. D. Lorenz and M. G. Tomasko, 'Titan's Haze in Reflected and Transmitted Light' DPS Conference, Tucson, October 1996. Bull. Am. Astron. Soc. 28, p.1131

J. I. Lunine, R. D. Lorenz, J. Bauer and S. McManus, 'Models of Sulfur and Silicate Volcanism on Io', DPS Conference, Tucson, October 1996. Bull. Am. Astron. Soc. 28, p.1152

J. Caldwell, N. Wu, P. H. Smith, R. D. Lorenz and M. T. Lemmon, 'Hubble Space Telescope Imaging of Titan in 1995', DPS Conference, Tucson, October 1996. Bull. Am. Astron. Soc. 28, p.1132

R. D. Lorenz, C. P. McKay and J. I. Lunine,'Episodic Collapse of Titan's Atmosphere', DPS Conference, Tucson, October 1996. Bull. Am. Astron. Soc. 28, p.1133

R. D. Lorenz and J. I. Lunine, 'Light and Heat Under the Snow : Europa Habitability Revisited', Europa Ocean Conference, San Juan Capistrano, November 1996

R. D. Lorenz, J. I. Lunine and J. Bauer, 'Area-Temperature relationships : Volatiles and Volcanism on Io', AGU Meetting, San Francisco, December 1996

J. I. Lunine and R. D. Lorenz, 'Light and Heat in Cracks on Europa: Implications for Prebiotic Synthesis' Lunar and Planetary Science Conference, XXVIII pp.855-856, 1997

R. D. Lorenz, J. I. Lunine and C. P. McKay,' Titan's Climate Through Time : Effects of Geothermal and Tidal Heating' Lunar and Planetary Science Conference, XXVIII pp.842-843, 1997

R. D. Lorenz and J. I. Lunine, 'Climate Evolution on Titan' EGS Conference, Vienna, Austria, April 1997. Annales Geophysicae Suppl. III to Vol.15 p.C781

J. I. Lunine and R. D. LorenzJ, 'The Nature of Titan's Surface' EGS Conference, Vienna, Austria, April 1997. Annales Geophysicae Suppl. III to Vol.15 p.C782

R. D. Lorenz, C. C. Porco, S. D. Wall, R. L. Kirk, J. I. Lunine, L. A. Soderblom, R. H. Brown, 'Multi-Instrument Studies of Titan's Surface from Cassini' EGS Conference, Vienna, Austria, April 1997. Annales Geophysicae Suppl. III to Vol.15 p.C781

R. D. Lorenz, J. I. Lunine and C. P. McKay,'Evolution of Titan's Climate', Planetary Systems, The Long View, Blois, France, July 1997

R. D. Lorenz, J. I. Lunine and C. P. McKay,'Climate Stability on Titan', DPS Conference, July 1997.

Bull. Am. Astron. Soc. 29, p.1038

R. D. Lorenz, Cassini Radar Observations of the Saturnian System, Royal Astronomical Society Cassini/Huygens Meeting, London, March 1998

R. D. Lorenz, Containerless Thermal Analysis: In-Situ Microinstrumentation for Ices and Evaporites on Mars, Lunar and Planetary Science Conference , Houston, March 1998

R. D. Lorenz, Many Lakes Make an Ocean : Constraining Titan's Volatile Inventory, Lunar and Planetary Science Conference , Houston, March 1998

R.D.Lorenz, M. T. Lemmon and P. H. Smith, Dramatic Seasonal Change Observed on Titan, European Geophysical Society Conference, Nice, France, April 1998

R. D. Lorenz, Dielectric Properties of Water-Ammonia Ices, European Geophysical Society ConferenceConference, Nice, France, April 1998

R. D. Lorenz, Microprobes for Venus Exploration, IAA International Conference on Low-Cost Planetary Missions, Pasadena, April 1988

R. D. Lorenz, Dielectric Properties of Water-Ammonia Ices : Application to Radar Observation of Titan, Workshop on Ices in The Solar System , University College, London, UK, May 1988.

R. D. Lorenz, Containerless Thermal Analysis : In-Situ Microinstrumentation for Volatile Detection on Mars, Workshop on Mars Micromissions, Arcadia, CA, May 1998

S. D. Wall, C. Elachi and R. D. Lorenz, The Cassini Radar System, European Conference on Synthetic Aperture Radar, Freidrichshafen, Germany, May 1998.

R. D. Lorenz, Cryovolcanism on Titan, American Geophysical Union, Boston, Mass., May 1998

J. Moersch and R. D. Lorenz, Susburface Structure in the Martian Polar Layered Deposits: he DS-2 Impact Accelerometry Experiment, International Symposium on Mars Polar Exploration, Texas, October 1998.

W. V. Boynton, R. D. Lorenz, S. H. Bailey, M. S. Williams and D. K. Hamara, The Thermal and Evolved Gas Analyzer (TEGA) on the 1998 Mars Polar Lander, International Symposium on Mars Polar Exploration, Texas, October 1998.

R. D. Lorenz, Ice Boulders in the Europan Regolith : Radar Effects, Division of Planetary Sciences Conference, Madison-Wisconsin, October 1998

R.D.Lorenz, M. T. Lemmon and P. H. Smith, Imaging Spectroscopy and Multispectral imaging of Titan with HST, American Geophysical Union, San Francisco, December 1998

R. D. Lorenz, Penetrator Experiments with the University of Arizona Airgun in support of DS-2 and Future Missions, Mars Micromission Workshop, Paris, February 1999

W.V.Boynton , S. H. Bailey, R. Bode, D. A. Kring, R. D. Lorenz, M Ward & M. Williams, The Thermal and Evolved Gas analyzer on the Mars Polar Lander, LPSC XXX, March 1999

R D Lorenz, To Fly or to Float: Heavier than air and Dirigible Balloon Titan Explorer Concepts, LPSC XXX, March 1999

C F Chyba , W. B . McKinnon, A. Coustenis, R. E. Johnson, C. Kovach, K. Khurana, R. D. Lorenz, R. McCord, E. MacDonald, R. Pappalardo, M. Race and R Thomson, Europa and Titan: Preliminary Recommendations of the Campaign Science Working Group for Prebiotic Materials in the Outer Solar System, LPSC XXX, March 1999

R D Lorenz, Radar Absorptivity of Planetary Materials Measured Using a Microwave Oven, LPSC XXX, March 1999

R D Lorenz, J E Moersch, S E Smrekar, R Keaton and J A Stone. Impact Penetration of the DS-2 Mars Microprobes, LPSC XXX, March 1999

R. D. Lorenz, Impact Penetrometer and accelerometer experiments in support of Huygens and DS-2, European Geophysical Society, The Hague, April 1999

R. D. Lorenz, Measurements of the 2.45 GHz absorptivity of planetary materials using a microwave oven, European Geophysical Society, The Hague, April 1999