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

75^th place

83^rd place

8,665^th place

6,411^th place

70^th place

63^rd place

6,023^rd place

4,666^th place

1^st place

low place

low place

braeunig.us

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.

Mitchell, Don P. "First Pictures of the Surface of Venus". Retrieved April 13, 2013.

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.

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

"Solar System Exploration Multimedia Gallery: Venera 9". NASA. Archived from the original on August 3, 2009. Retrieved August 7, 2009.

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

"Solar System Exploration Multimedia Gallery: Venera 9". NASA. Archived from the original on August 3, 2009. Retrieved August 7, 2009.