Bilstein, R. E. (2001). The enterprise of flight: The American aviation and aerospace industry. Washington: Smithsonian Institution Press.
Παραπομπή Chicago StyleBilstein, Roger E. The Enterprise of Flight: The American Aviation and Aerospace Industry. Washington: Smithsonian Institution Press, 2001.
Παραπομπή MLABilstein, Roger E. The Enterprise of Flight: The American Aviation and Aerospace Industry. Washington: Smithsonian Institution Press, 2001.
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