Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division, Air Benefit-Cost Group, 2010.
2010
United States. Congress. House. Committee on Resources. Task Force on Updating the National Environmental Policy Act.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2006.
2006