Lunar Impact Crater Database. Losiak A., Kohout T., O’Sullivan K., Thaisen K., Weider S. (Lunar and Planetary Institute, Lunar Exploration Intern Program, 2009); updated by Öhman T. in 2011. Pàgina d'arxiu
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Lunar Impact Crater Database. Losiak A., Kohout T., O’Sullivan K., Thaisen K., Weider S. (Lunar and Planetary Institute, Lunar Exploration Intern Program, 2009); updated by Öhman T. in 2011. Pàgina d'arxiu