H.R.6721: 1981 FAA R. & D. authorization hearings before the Subcommittee on Transportation, Aviation and Communications of the Committee on Science and Technology, U.S. House of Representatives, Ninety-sixth Congress, second session, February 19, 20, 21, 1980
United States.Congress.House.Committee on Science and Technology.Subcommittee on Transportation, Aviation and Communications.
Washington USGPO
1980
United States. Federal Aviation Administration