Kluger, Jeffrey
Journey beyond selene : remarkable expedition past our moon and to the ends of the solar system
Simon & Schuster, 1999
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Burger, Edward
Yearbook on space policy 2017: security in outer space: rising stakes for civilian space programmes
Springer Nature, 2019
 eBooks
Eversberg, Thomas
The moon hoax? Conspiracy theories on trial
Springer Nature, 2019
 eBooks
Burrows, William E.
This new ocean : the story of the first space age / William E. Burrows
Random House, 1998
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Space developments for the future of mankind
edited by L.G. Napolitano
Pergamon Press, 1980
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