Venera 9 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Venera 9" in English language version.

refsWebsite
Global rank English rank
75th place
83rd place
8,665th place
6,411th place
70th place
63rd place
6,023rd place
4,666th place
1st place
1st place
low place
low place
low place
low place

braeunig.us

loc.gov

lccn.loc.gov

mentallandscape.com

nasa.gov

nasa.gov

  • Siddiqi, Asif (2018). Beyond Earth: A Chronicle of Deep Space Exploration, 1958–2016 (PDF) (second ed.). NASA History Program Office.
  • Siddiqi, Asif A. (2018). Beyond Earth: A Chronicle of Deep Space Exploration, 1958–2016 (PDF). The NASA history series (second ed.). Washington, DC: NASA History Program Office. pp. 127–128. ISBN 978-1-62683-042-4. LCCN 2017059404. SP2018-4041.

nssdc.gsfc.nasa.gov

  • "Venera 9". NASA Space Science Data Coordinated Archive. Retrieved April 13, 2013.

solarsystem.nasa.gov

planet4589.org

  • McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved April 11, 2013.

russianspaceweb.com

web.archive.org