Transportation infrastructure research and technology : hearings before the Subcommittee on Investigations and Oversight and the Subcommittee on Transportation, Aviation, and Materials of the Committee on Science and Technology, U.S. House of Representatives, Ninety-eighth Congress, first session, June 9, 15, 16, 1983.
Washington : U.S. G.P.O., 1983.
Research and development contracts, Government > United States.
Transportation engineering > Research > United States.
Transportation > Research > United States.
iii, 490 p. :
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