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1
[Washington] : Springfield, Va. : Environmental Protection Agency, Office of Research and Development, Office of Energy, Minerals, and Industry ; for sale by the National Technical Information Service, 1978

Government Document Conference Proceeding Book
3
by Fore, Paul L
Washington : Dept. of the Interior, Fish and Wildlife Service, 1977

Government Document Conference Proceeding Book
4
Washington : Dept. of the Interior, Fish and Wildlife Service, Division of Ecological Services, Environmental Contaminant Evaluation Program : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979

Government Document Conference Proceeding Book
6
[Beltsville, MD] : U.S. Dept. of Agriculture, [Agricultural Research Service, 1993

Government Document Conference Proceeding Book
7
Cincinnati, OH : U.S. Environmental Protection Agency, Industrial Environmental Research Laboratory : Center for Environmental Research Information [distributor], 1981

Government Document Conference Proceeding Book
8
Cincinnati, Ohio : Springfield, Va. : Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory ; for sale by the National Technical Information Service, 1978

Government Document Conference Proceeding Book
9
Ottawa, Ont. : Environment Canada, 1988

Conference Proceeding Book
10
[Oak Ridge, TN] : Technical Information Center, U.S. Dept. of Energy, 1979

Government Document Conference Proceeding Book
13
San Francisco, CA (1045 Sansome St., San Francisco 94111) : Earth Island Institute, 1983

Conference Proceeding Book
14
[Pittsburgh, Pa.?] : APCA, 1981

Conference Proceeding Book
15
[MT. Prospect, Ill. : Institute of Environmental Sciences, 1967

Conference Proceeding Book
16
Brasília : Instituto de Pesquisa Econômica Aplicada, 1994

Conference Proceeding Book
17
Southampton, U.K. ; Boston : Computational Mechanics Publications, 1996

Conference Proceeding Book
18
New York : National Association of Secondary Material Industries, 1967

Conference Proceeding Book
19
La Grange Park, Ill. : New York, N.Y., USA : ANS ; ASCE, 1992

Conference Proceeding Book
20
Washington, D.C. : Resources for the Future, 1977

Conference Proceeding Book