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1
Virgin Galactic : the first ten years /
Published 2015“…Outer space Civilian use. http://id.loc.gov/authorities/subjects/sh96005100.…”
Full Text (via Springer)
eBook -
2
Astronauts for hire the emergence of a commercial astronaut corps /
Published 2012“…Outer space Civilian use. http://id.loc.gov/authorities/subjects/sh96005100.…”
Full Text (via Springer)
Electronic eBook