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Hearings, Ninety-first Congress, First Session
出版U.S. Government Printing Office, 1970
URLhttp://books.google.com.hk/books?id=UmA2AQAAIAAJ&hl=&source=gbs_api
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註釋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. 245-312)