Igor Volk (Danish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Igor Volk" in Danish language version.

refsWebsite

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12^th place

1web.archive.org

1^st place

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1spaceflightinsider.com

low place

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archive.org

Hall, Rex; Shayler, Davide; Vis, Bert (2005). Russia's Cosmonauts: Inside the Yuri Gagarin Training Center. Chichester, UK: Praxis Publishing. s. 335–6. ISBN 0-387-21894-7. - Hentet 25. januar 2017 (engelsk)

spaceflightinsider.com

"Cosmonaut Igor Volk dead at 79". SpaceFlight Insider. 4. januar 2017. Arkiveret fra originalen 13. januar 2017. Hentet 25. januar 2017.

web.archive.org

"Cosmonaut Igor Volk dead at 79". SpaceFlight Insider. 4. januar 2017. Arkiveret fra originalen 13. januar 2017. Hentet 25. januar 2017.