Twelfth semiannual report to Congress. Message from the President of the United States transmitting the twelfth semiannual report of the National Aeronautics and Space Administration for the period July 1-December 31, 1964, pursuant to section 206(a) of the National Aeronautics and Space Act of 1958

Author / Creator

United States. Congress. House. Committee on Science and Astronautics

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