Holt, J. W.; Safaeinili, A.; Plaut, J. J.; Head, J. W.; Phillips, R. J.; Seu, R.; Kempf, S. D.; Choudhary, P.; Young, D. A. (2008). «Radar Sounding Evidence for Buried Glaciers in the Southern Mid-Latitudes of Mars». Science. 322 (5905): 1235–8. Bibcode:2008Sci...322.1235H. PMID19023078. doi:10.1126/science.1164246
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Head, JW; Neukum, G; Jaumann, R; Hiesinger, H; Hauber, E; Carr, M; Masson, P; Foing, B; Hoffmann, H (2005). «Tropical to mid-latitude snow and ice accumulation, flow and glaciation on Mars». Nature. 434 (7031): 346–350. Bibcode:2005Natur.434..346H. PMID15772652. doi:10.1038/nature03359
Holt, J. W.; Safaeinili, A.; Plaut, J. J.; Head, J. W.; Phillips, R. J.; Seu, R.; Kempf, S. D.; Choudhary, P.; Young, D. A. (2008). «Radar Sounding Evidence for Buried Glaciers in the Southern Mid-Latitudes of Mars». Science. 322 (5905): 1235–8. Bibcode:2008Sci...322.1235H. PMID19023078. doi:10.1126/science.1164246
Head, JW; Neukum, G; Jaumann, R; Hiesinger, H; Hauber, E; Carr, M; Masson, P; Foing, B; Hoffmann, H (2005). «Tropical to mid-latitude snow and ice accumulation, flow and glaciation on Mars». Nature. 434 (7031): 346–350. Bibcode:2005Natur.434..346H. PMID15772652. doi:10.1038/nature03359
Holt, J. W.; Safaeinili, A.; Plaut, J. J.; Head, J. W.; Phillips, R. J.; Seu, R.; Kempf, S. D.; Choudhary, P.; Young, D. A. (2008). «Radar Sounding Evidence for Buried Glaciers in the Southern Mid-Latitudes of Mars». Science. 322 (5905): 1235–8. Bibcode:2008Sci...322.1235H. PMID19023078. doi:10.1126/science.1164246