United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air, Wetlands, Private Property, and Nuclear Safety.
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., [Congressional Sales Office], 2002.
2002
[Ann Arbor, Mich.?] : Emission Planning and Strategies Division, Office of Mobile Sources, Office of Air and Radiation, U.S. Environmental Protection Agency, 1994.
1994