Lockheed SR-71 (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Lockheed SR-71" in Dutch language version.

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1web.archive.org

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archive.org

Graham, Richard H., Internet Archive (1996). SR-71 revealed : the inside story. Osceola, WI, USA : Motorbooks International Publishers, p. 47. ISBN 978-0-7603-0122-7.

web.archive.org

Aircraft: Lockheed SR-71A Blackbird