Clean Air Act : hearings before the Subcommittee on Energy Development and Applications and the Subcommittee on Natural Resources, Agriculture Research and Environment of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, May 19, 20, 28, 1981
United States.Congress.House.Committee on Science and Technology.Subcommittee on Energy Development and Applications.
United States.Congress.House.Committee on Science and Technology.Subcommittee on Natural Resources, Agriculture Research, and Environment.
Washington U.S.G.P.O.
1982
No. 97-64
Air