Rail safety technology : hearing before the Subcommittee on Transportation, Aviation, and Materials of the Committee on Science, Space, and Technology, House of Representatives, One hundredth Congress, first session, February 25, 1987.
United States.Congress.House.Committee on Science, Space, and Technology.Subcommittee on Transportation, Aviation, and Materials.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O.,
1987.
Distributed to some depository libraries in microfiche.
Shipping list no.: 87-431-P.
"No. 9."
Item 1025-A-1, 1025-A-2 (microfiche)
Railroads
Railroads
Railroads