[35] Sharma P., E. Heggy, T. Farr, Exploring inner structure of Titan's dunes from Cassini Radar observations, submitted, Icarus, Ref. 12844, 2013.

[34] ElShafie A. and E. Heggy, Dielectric and Hardness Measurements of Planetary Analog Rocks in Support of In-situ Subsurface Sampling, accepted, Planetary And Space Science, 2013, DOI: 10.1016/j.pss.2013.02.003.

[33] Bonneville A., C. Strickland, J. Dermond, C. Sullivan, Y. Fang, E. Heggy, J. Normand, Geophysical Monitoring of Ground Surface Deformation Associated with a Confined Aquifer Storage and Recovery Operation. In Review, Water Resources Research, 2013, 2013WR013619.

[32] Bretar F., Sedze M., J. Champion, M. Pierrot-Deseilligny, E. Heggy and S. Jacquemoud, An Advanced Photogrammetric Method to Measure Surface Roughness: Application to Volcanic Terrains in the Piton de la Fournaise, Reunion Island, accepted, Remote Sensing of Environment, 2013, RSE-D-12-00812.

[31] Heggy E., Palmer E., Kofman W., Clifford S.M., Righter K., Herique A., Radar properties of comets: Parametric dielectric modeling of Comet 67P/Churyumov-Gerasimenko. Icarus, 2012. 221: p. 925-939.

[30] Thomson B. J., Bussey D. B. J., Neish C. D., Cahill J. T. S., Heggy E., Kirk R. L., Patterson, G. W., Raney R. K., Spudis, P. D., Thompson T. W., Ustinov E. A., An upper limit for ice in Shackleton crater as revealed by LRO Mini-RF orbital radar. Geophysical Research Letters, 2012. 39: p. 14201.

[29] El Maarry M. R., Dohm J. M., Marzo G. A., Fergason R., Goetz W., Heggy E., Pack A., Markiewicz W. J. , Searching for evidence of hydrothermal activity at Apollinaris Mons, Mars. Icarus, 2012. 217: p. 297-314.

[28] Thompson T.W., E.A. Ustinov, and E. Heggy, Modeling radar scattering from icy lunar regoliths at 13 cm and 4 cm wavelengths. Journal of Geophysical Research (Planets), 2011. 116: p. 01006.

[27] Fa W., M.A. Wieczorek, and E. Heggy, Modeling polarimetric radar scattering from the lunar surface: Study on the effect of physical properties of the regolith layer. Journal of Geophysical Research (Planets), 2011. 116: p. 03005.

[26] Boisson J., E. Heggy, S. M. Clifford, K. Yoshikawa, A. Anglade, and P. Lognonné, Radar sounding of temperate permafrost in Alaska: Analogy to the Martian midlatitude to high-latitude ice-rich terrains. Journal of Geophysical Research (Planets), 2011. 116: p. 11003.

[25] Spudis P. D., Bussey D. B. J., Baloga S. M., Butler B. J., Carl D., Carter L. M., Chakraborty M., Elphic R. C., Gillis-Davis J. J., Goswami J. N., Heggy E. Hillyard M., Jensen R., Kirk R. L., LaVallee D., McKerracher P., Neish C. D. Nozette, S. Nylund, S. Palsetia, M., Initial results for the north pole of the Moon from Mini-SAR, Chandrayaan-1 mission. Geophysical Research Letters, 2010. 37: p. 06204.

[24] Mukherjee D., E. Heggy, and S.D. Khan, Geoelectrical constraints on radar probing of shallow water-saturated zones within karstified carbonates in semi-arid environments. Journal of Applied Geophysics, 2010. 70: p. 181-191.

[23] Clifford S. M., J. Lasue, E. Heggy, J. Boisson, P. McGovern, and M. D. Max, Depth of the Martian cryosphere: Revised estimates and implications for the existence and detection of subpermafrost groundwater. Journal of Geophysical Research (Planets), 2010. 115: p. 07001.

[22] White O. L., Safaeinili A., Plaut J. J., Stofan E. R., Clifford S. M., Farrell W. M., Heggy E., Picardi G., MARSIS Science Team, MARSIS radar sounder observations in the vicinity of Ma'adim Vallis, Mars. Icarus, 2009. 201: p. 460-473.

[21] Boisson J., Heggy E., Clifford S. M., Frigeri A., Plaut  J. J., Farrell W. M., Putzig N. E., Picardi G., Orosei R., Lognonné P., Gurnett D. A., Sounding the subsurface of Athabasca Valles using MARSIS radar data: Exploring the volcanic and fluvial hypotheses for the origin of the rafted plate terrain. Journal of Geophysical Research (Planets), 2009. 114: p. 08003.

[20] Phillips R. J., Zuber M. T.; Smrekar, S. E., Mellon M. T., Head J. W., Tanaka K. L., Putzig N. E., Milkovich S. M., Campbell B. A., Plaut J. J., Safaeinili A., Seu R., Biccari D., Carter L. M., Picardi G., Orosei R., Mohit P. S., Heggy E., Zurek R. W., Egan A. F., Giacomoni E., Russo F., Cutigni M., Pettinelli E., Holt J. W., Leuschen C. J,, Marinangeli L., Mars North Polar Deposits: Stratigraphy, Age, and Geodynamical Response. Science, 2008. 320: p. 1182-.

[19] Farrell, W. M. Clifford, S. M. Milkovich, S. M. Plaut, J. J. Leuschen, C. J. Picardi, G. Gurnett, D. A. Watters, T. R. Safaeinili, A. Ivanov, A. B. Phillips, R. J. Stofan, E. R. Heggy, E. Cummer, S. A. Espley, J. R., MARSIS subsurface radar investigations of the South Polar reentrant Chasma Australe. Journal of Geophysical Research (Planets), 2008. 113: p. 04002.

[18] Carley R.A. and E. Heggy, Finite difference time domain simulation of radar wave propagation through comet nuclei dielectric models. Meteoritics and Planetary Science, 2008. 43: p. 1085-1095.

[17] Plaut, J. J., G. Picardi, A. Safaeinili, A. B. Ivanov, S. M. Milkovich, A. Cicchetti, W. Kofman, J. Mouginot, W. M. Farrell, R. J. Phillips, S. M. Clifford, A. Frigeri, R. Orosei, C. Federico, I. P. Williams, D. A. Gurnett, E. Nielsen, T. Hagfors, E. Heggy, E. R. Stofan, D. Plettemeier, T. R. Watters, C. J. Leuschen, and P. Edenhofer, Subsurface Radar Sounding of the South Polar Layered Deposits of Mars. Science, 2007. 316: p. 92-.

[16] Khan S.D., E. Heggy, and J. Fernandez, Mapping exposed and buried lava flows using synthetic aperture and ground-penetrating radar in Craters of the Moon lava field. Geophysics, 2007. 72: p. 161.

[15] Paillou, P., Reynard B., Malézieux J.M., Dejax J., Heggy E., Rochette P. Reimold W. U., Michel P. Baratoux D. Razin P. Colin J.P., An extended field of crater-shaped structures in the Gilf Kebir region, Egypt: Observations and hypotheses about their origin. Journal of African Earth Sciences, 2006. 46: p. 281-299.

[14] Paillou P., Y. Lasne, E. Heggy, J.M. Maleziéux, A study of P-band synthetic aperture radar applicability and performance for Mars exploration: Imaging subsurface geology and detecting shallow moisture. Journal of Geophysical Research (Planets), 2006. 111.

[13] Heggy E. and P. Paillou, Probing structural elements of small buried craters using ground-penetrating radar in the southwestern Egyptian desert: Implications for Mars shallow sounding. Geophysical Research Letters, 2006. 33: p. 05202.

[12] Heggy E., S. Clifford, C. Dinwiddie, R. Grimm,D. Wyrick, B. Hill, Ground-penetrating radar sounding in mafic lava flows: Assessing attenuation and scattering losses in Mars-analog volcanic terrains. Journal of Geophysical Research (Planets), 2006. 111.

[11] Heggy E., Clifford, S. M., Grimm R. E., Dinwiddie C. L., Stamatakos J. A., Gonzalez S. H. , Low-frequency radar sounding investigations of the North Amargosa Desert, Nevada: A potential analog of conductive subsurface environments on Mars. Journal of Geophysical Research (Planets), 2006. 111.

[10] Heggy E., Clifford S. M., Farr T. G., Dinwiddie C. L., Grimm R. E. , Radar investigations of planetary and terrestrial environments. Journal of Geophysical Research (Planets), 2006. 111.

[9] Grimm, R., E. Heggy, S. Clifford, C. Dinwiddie, R. Mcginnis and D. Farrell, Absorption and scattering in ground-penetrating radar: Analysis of the Bishop Tuff. Journal of Geophysical Research (Planets), 2006. 111.

[8] Grandjean G., Ph. Paillou, N. Bahgdadi, E. Heggy, T. August, Y. Lasne, Surface and subsurface structural mapping using low frequency radar: A synthesis of the Mauritanian and Egyptian experiments. Journal of African Earth Sciences, 2006. 44: p. 220-228.

[7] Picardi, G., J.J. Plaut, D. Biccari, O. Bombaci, D. Calabrese, M. Cartacci, A. Cicchetti, S.M. Clifford, P. Edenhofer, W.M. Farrell, C. Federico, A. Frigeri, D.A. Gurnett, T. Hagfors, E. Heggy, A. Herique, R.L. Huff, A.B. Ivanov, W.T. Johnson, R.L. Jordan, D.L. Kirchner, W. Kofman, C.J. Leuschen, E. Nielsen, R. Orosei, E. Pettinelli, R.J. Phillips, D. Plettemeier, A. Safaeinili, R. Seu, E.R. Stofan, G. Vannaroni, T.R. Watters, E. Zampolini,, Radar Soundings of the Subsurface of Mars. Science, 2005. 310: p. 1925-1928.

[6] Paillou P., Elbarkooky A., Barakat A., Malezieux J., Reynard B., Dejax J., Heggy E. , Discovery of the largest impact crater field on Earth in the Gilf Kebir region, Egypt. Comptes Rendus Geoscience, 2004. 336: p. 1491-1500.

[5] Paillou, P., G. Grandjean, N. Baghdadi, E. Heggy, Th. August-Bernex, J. Achache, Subsurface imaging in south-central egypt using low-frequency radar: bir safsaf revisited. IEEE Transactions on Geoscience and Remote Sensing, 2003. 41: p. 1672-1684.

[4] Heggy, E., et al., Local geoelectrical models of the Martian subsurface for shallow groundwater detection using sounding radars. Journal of Geophysical Research (Planets), 2003. 108: p. 8030.

[3] Heggy, E., Potentials of low Frequency Sounding Radar for Water Exploration in the Martian Subsurface, in Ph.D. Thesis2002. p. 23.

[2] Paillou P., Grandjean G., Malézieux J.M., Ruffié G., Heggy E., Piponnier D., Dubois P., Achache J. , Performances of ground penetrating radars in arid volcanic regions: Consequences for Mars subsurface exploration. Geophysical Research Letters, 2001. 28: p. 911-914.

[1] Heggy E., Paillou P., Ruffie G., Malezieux J. M., Costard F., Grandjean G. , On Water Detection in the Martian Subsurface Using Sounding Radar. Icarus, 2001. 154: p. 244-257.