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1
av Grimsrud, G. Paul, Finnemore, E. John, Owne, H. James
Washington, D.C. : U.S. Environmental Protection Agency, Office of Research and Development, 1976

Regeringsdokument Bok
2
[Harrisburg, Pa.?] : The Dept., 1995
1st revision June 1995.

Regeringsdokument Bok
3
[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Water, 1997

Regeringsdokument Bok
4
Washington, DC (401 M St. SW Washington 20460) : U.S. Environmental Protection Agency, Office of Enforcement and Compliance Assurance, 1994
[Rev.].

Regeringsdokument Bok
5
av Spellman, Frank R.
Lancaster, Pa. : Technomic Pub. Co., 2000

Bok
6
[Washington, D.C.?] : U.S. Environmental Protection Agency, 2003

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7
[Washington, D.C.?] : U.S. Environmental Protection Agency, 2003

Regeringsdokument Bok
8
av De Zuane, John, 1922-
New York : Van Nostrand Reinhold, 1997
2nd ed.

Bok
9
[Washington, D.C.] : U.S. Dept. of Agriculture, Natural Resources Conservation Service, 2003

Regeringsdokument Bok
10
av Simpson, Jonathan T.
Washington, D.C. (401 M St., S.W., Washington 20460) : U.S. Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds, Assessment & Watershed Protection Division, 1991

Regeringsdokument Bok
12
Washington : Environmental Protection Agency, 1977

Regeringsdokument Bok
13
[Washington] : [U.S. G.P.O.], 1967

Regeringsdokument Bok