- 1USA. National Aeronautics and Space Administration
Space ... the new frontier
Washington, D.C.: US Gov. Print. Off. 1964; 72 Seiten; Illustrationen - 2USA. National Aeronautics and Space Administration
NASA 20th century explorer into the sea of space : a guide to careers in aero-space technology.
Washington, D.C.: US Gov. Print. Off. 1965; 47 S. : Ill.
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