9
См.: R. Hal and D. J. Sayler, The Rocket Men: Vostok and Voskhod, the First Soviet Manned Spaceflights (New York: Springer Verlag, 2001).
10
См.: Gregory Benford and James Benford. Starship Century (New York: Lucky Bat Books, 2014), p. 3.
11
Peter Whoriskey, «For Jeff Bezos, The Post Represents a New Frontier», Washington Post, August 12, 2013.
12
R. A. Kerr, «How Wet the Moon? Just Damp Enough to Be Interesting», Science Magazine 330 (2010): 434.
13
B. Harvey, China’s Space Program: From Conception to Manned Spaceflight (Dordrecht: Springer-Verlag, 2004).
14
J. Weppler, V. Sabathicr, and A. Bander, «Costs of an International Lunar Base» (Washington, D. C.: Center for Strategic and International Studies, 2009); .
