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Evidence for ancient Martian life 24 Ocak 2020 tarihinde Wayback Machine sitesinde arşivlendi.. E. K. Gibson Jr., F. Westall, D. S. McKay, K. Thomas-Keprta, S. Wentworth, and C. S. Romanek, Mail Code SN2, NASA Johnson Space Center, Houston TX 77058, USA.
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Vladimir A. Krasnopolsky, Jean-Pierre Maillard, Tobias C. Owen (2004). "Detection of methane in the Martian atmosphere: evidence for life?". Icarus 172: 537–547. doi:10.1016/j.icarus.2004.07.004[ölü/kırık bağlantı].
The Carnegie Institution Geophysical Laboratory Seminar, "Analysis of evidence of Mars life" held 05/14/2007; Summary of the lecture given by Gilbert V. Levin, Ph.D. [2] 30 Temmuz 2016 tarihinde Wayback Machine sitesinde arşivlendi., published by Electroneurobiología vol. 15 (2), pp. 39-47, 2007
Meierhenrich, Uwe J.; al. (2004). "Identification of diamino acids in the Murchison meteorite". PNAS 101: 9182-9186. doi: 10.1073/pnas.0403043101 24 Eylül 2015 tarihinde Wayback Machine sitesinde arşivlendi..
Engel, Michael H.; Macko, S. A. (September 1, 1997). "Isotopic evidence for extraterrestrial non-racemic amino acids in the Murchison meteorite". Nature 389: 265–268. doi: 10.1038/38460 24 Şubat 2010 tarihinde Wayback Machine sitesinde arşivlendi..
Evidence for ancient Martian life 24 Ocak 2020 tarihinde Wayback Machine sitesinde arşivlendi.. E. K. Gibson Jr., F. Westall, D. S. McKay, K. Thomas-Keprta, S. Wentworth, and C. S. Romanek, Mail Code SN2, NASA Johnson Space Center, Houston TX 77058, USA.