John B. Murray et al., JB; Muller, JP; Neukum, G; Werner, SC; Van Gasselt, S «Evidence ... for a frozen sea close to Mars' equator». Nature, 434, 7031, 17-03-2007, pàg. 352–355. Bibcode: 2005Natur.434..352M. DOI: 10.1038/nature03379. PMID: 15772653.
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John B. Murray et al., JB; Muller, JP; Neukum, G; Werner, SC; Van Gasselt, S «Evidence ... for a frozen sea close to Mars' equator». Nature, 434, 7031, 17-03-2007, pàg. 352–355. Bibcode: 2005Natur.434..352M. DOI: 10.1038/nature03379. PMID: 15772653.
John B. Murray et al., JB; Muller, JP; Neukum, G; Werner, SC; Van Gasselt, S «Evidence ... for a frozen sea close to Mars' equator». Nature, 434, 7031, 17-03-2007, pàg. 352–355. Bibcode: 2005Natur.434..352M. DOI: 10.1038/nature03379. PMID: 15772653.