Polyus (spacecraft) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Polyus (spacecraft)" in English language version.

refsWebsite

Global rank English rank

low place

low place

1books.google.com

3^rd place

3^rd place

1web.archive.org

1^st place

1^st place

1astronautix.com

2,056^th place

1,541^st place

astronautix.com

Ed Grondine. "Polyus". Archived from the original on 2010-01-02. Retrieved 2009-09-15.

books.google.com

Bart Hendrickx; Bert Vis (2007). Energiya-Buran: The Soviet Space Shuttle. Springer Science & Business Media. ISBN 978-0-387-73984-7.

buran.ru

Konstantin Lantratov. "Звёздные войны, которых не было" [Star Wars that didn't happen].

web.archive.org

Ed Grondine. "Polyus". Archived from the original on 2010-01-02. Retrieved 2009-09-15.