Спутник-1 (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Спутник-1" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

1americanheritage.com

2,758^th place

7,218^th place

7^th place

31^st place

75^th place

62^nd place

1web.archive.org

1^st place

1^st place

americanheritage.com

McDougall, Walter A. Shooting The Moon // American Heritage 59 (4). Winter 2010.

nasa.gov

nssdc.gsfc.nasa.gov

Sputnik-1 1957-001B // NASA, 27 April 2021. Посетен на 16 May 2021.

nytimes.com

timesmachine.nytimes.com

Jorden, William J. Soviet Fires Earth Satellite Into Space // The New York Times, 5 October 1957. Посетен на 28 December 2015.

web.archive.org

Golovanov, Yaroslav K. 57: Space // [1] Moscow, Russian Knights Foundation, 2007. ISBN 9785903389018. Архивиран от [ оригинала] на 9 January 2009. Посетен на 12 January 2019.