Heller, Katherine B.
Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Innovative Strategies and Economics Group, [2002]
2002
Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Innovative Strategies and Economics Group, [2000]
2000
Petrusa, Jeffrey E., author.
Research Triangle Park, NC : United States Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division, 2014.
2014