Airways modernization board :
hearings before the Committee on Interstate and Foreign Commerce, United States Senate, Eighty-fifth Congress, first session, on S. 1856, a bill to provide for the development and modernization of airways traffic control and navigation, May 14-27, 1957.
|Corporate Author:||United States.|
Washington, D.C. : U.S. G.P.O., 1957.
United States. /
Airways Modernization Board.
Air traffic control > Air traffic control / United States > Air traffic control / United States / Planning.
137 p. :
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