The Carnegie Institution Geophysical Laboratory Seminar, "Analysis of evidence of Mars life" held 14 May 2007;
Summary of the lecture given by Gilbert V. Levin, Ph.D.
http://arxiv.org/abs/0705.3176 (页面存档备份,存于互联网档案馆), published by Electroneurobiología vol. 15 (2), pp. 39–47, 2007
Schidlowski, M. A 3,800-Million-Year Isotopic Record Of Life From Carbon In Sedimentary-Rocks.. Nature. May 1988, 333 (6171): 313–318. doi:10.1038/333313a0.
Martins, Zita; Oliver Botta, Marilyn L. Fogel, Mark A. Sephton, Daniel P. Glavin, Jonathan S. Watson, Jason P. Dworkin, Alan W. Schwartz, and Pascale Ehrenfreund. Extraterrestrial nucleobases in the Murchison meteorite. Earth and Planetary Science Letters. 2008-06-15, 270 (1-2): 130–136. doi:10.1016/j.epsl.2008.03.026.引文使用过时参数coauthors (帮助); 使用|accessdate=需要含有|url= (帮助)
Janibacter hoylei sp. nov., Bacillus isronensis sp. nov. and Bacillus aryabhattai sp. nov., isolated from cryotubes used for collecting air from upper atmosphere. International Journal of Systematic and Evolutionary Microbiology 2009. http://ijs.sgmjournals.org/cgi/content/abstract/ijs.0.002527-0v1
慧星上發現生化物質. NASA (BBC News). 18 August 2009 [2010-03-06]. (原始内容存档于2015-05-25).
The Carnegie Institution Geophysical Laboratory Seminar, "Analysis of evidence of Mars life" held 14 May 2007;
Summary of the lecture given by Gilbert V. Levin, Ph.D.
http://arxiv.org/abs/0705.3176 (页面存档备份,存于互联网档案馆), published by Electroneurobiología vol. 15 (2), pp. 39–47, 2007