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Pioneer Rocketplane (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pioneer Rocketplane" in English language version.

refsWebsite
Global rank English rank
1archive.org
6th place
6th place

archive.org

  • Zubrin, Robert (1999). Entering Space: Creating a Spacefaring Civilization. New York, NY: Jeremy P. Tarcher/Putnam. pp. 46–47. ISBN 1-58542-036-0.