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Aeronautics. Eighteenth Annual Report of the National Advisory Committee for Aeronautics, 1932. Including Technical Reports Nos. 401 to 440

United States. Congress. Senate

出版	Verlag nicht ermittelbar, 1933
URL	http://books.google.com.hk/books?id=iIJAuwEACAAJ&hl=&source=gbs_api