conditions and its implication for the habitability of Mars (PDF). EuropeanGeosciencesUnion. 26 April 2012 [27 April 2012]. (原始内容 (PDF)存档于2012年6月8日). GYRE
Scientifique. [15 April 2011]. (原始内容存档于2018-03-10) (法语). MEDALLISTS. EuropeanUnion of Geosciences. [30 April 2020]. (原始内容存档于2016-06-12). Cl.J. Allègre, G. Michard
Planum: Observations by MER Opportunity’s Mössbauer Spectrometer," EuropeanGeosciencesUnion; Geophysical Research Abstracts, Vol. 7, 10242; 1607-7962/gra/EGU05-A-10242