United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Energy and Air Quality.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.p.O., [Congressional Sales Office], 2002.
2002
[Washington, D.C.] : Office of Policy and International Affairs, U.S. Department of Energy, Office of Transportation and Air Quality, U.S. Environmental Protection Agency , 2006.
2006
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