Aeronautical Research : hearings before the United States House Committee on Science and Astronautics, Subcommittee on Advanced Research and Technology, Ninety-First Congress, first session, on Dec. 1, 2, 4, 8-11, 1969.
Committee Serial No. 14. Considers intensification of research on aircraft navigation, noise reduction, structure, and general efficiency in air transportation. Includes "Recommendations for a National Air Traffic Management System," Air Transport Association of America, July 1969 (p. 245-...
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