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XIIth International astronautical congress, washington, D.C., 1961= xii. internationaler astronautischer kongress =xii congres international d'astronautique / Editors in Chief Robert M.L. Baker and Maud W. Makemson.
- 629.4
- Academic Press,
- 1963
- New York :
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The races of mankind / M. Nesturkh ; [translated from the Russian by George Hanna ; designed by Vladimir An].
- 599.97 N468
- Nesturkh, M. F.
- Progress Publishers,
- 1963
- Moscow :