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Direct ascent (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Direct ascent" in English language version.

refsWebsite
Global rank English rank
1web.archive.org
1st place
1st place
1nasa.gov
75th place
83rd place

nasa.gov

  • "NASA - Lunar Orbit Rendezvous and the Apollo Program". NASA. April 22, 2008. Archived from the original on April 6, 2013. Retrieved March 27, 2011.

web.archive.org

  • "NASA - Lunar Orbit Rendezvous and the Apollo Program". NASA. April 22, 2008. Archived from the original on April 6, 2013. Retrieved March 27, 2011.