Ковальский (лунный кратер) (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ковальский (лунный кратер)" in Russian language version.

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usgs.gov

planetarynames.wr.usgs.gov

usra.edu

lpi.usra.edu

  • Lunar Impact Crater Database. Losiak A., Kohout T., O’Sulllivan K., Thaisen K., Weider S. (Lunar and Planetary Institute, Lunar Exploration Intern Program, 2009); updated by Öhman T. in 2011. Archived page.

web.archive.org

webcitation.org