Soyuz 7K-OK (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Soyuz 7K-OK" in English language version.

refsWebsite

Global rank English rank

1squarespace.com

2,953^rd place

1,823^rd place

1web.archive.org

1^st place

1^st place

75^th place

83^rd place

nasa.gov

ston.jsc.nasa.gov

Portree, David (March 1995). "Mir Hardware Heritage" (PDF). NASA. Archived from the original (PDF) on 7 September 2009. Retrieved 24 August 2012. This article incorporates text from this source, which is in the public domain.

squarespace.com

static1.squarespace.com

Siddiqi, Asif (March 2003). Simpson, Clive; Owens, Lucy (eds.). "Soyuz variants: a 40-year history" (PDF). British Interplanetary Society. 45 (3): 119.

web.archive.org

Portree, David (March 1995). "Mir Hardware Heritage" (PDF). NASA. Archived from the original (PDF) on 7 September 2009. Retrieved 24 August 2012. This article incorporates text from this source, which is in the public domain.