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1
University Park : Pennsylvania State University Press, 1982

Government Document Book
2
Newtown Square, PA (11 Campus Blvd., Suite 200, Newton Square, 19073-3294) : U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, 2000

Conference Proceeding Book
3
by Dolan, J. Daniel
Radnor, PA (5 Radnor Corp Ctr Suite 200, Radnor 19087-4585) : U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1996

Government Document Conference Proceeding Book
4
[Broomall, Pa.] : [Northeastern Forest Experiment Station], 1980

Government Document Book
5
University Park : Pennsylvania State University Press, 1982

Government Document Book
6
Gulf Breeze, Fla. : Cincinnati, OH : Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Center for Environmental Research Information [distributor], 1981

Government Document Conference Proceeding Book
7
[Carbondale, Ill.] : [Southern Illinois University-Carbondale], 1982

Book
8
[St. Paul, MN] : USDA-Forest Service, North Central Forest Experiment Station, 1992

Government Document Book
9
Rome : Food and Agriculture Organization of the United Nations, 1990

Book
10
[Washington, D.C.] U.S. Department of Agriculture, Economic Research Service 1971

Government Document Book
11
Seattle, WA : U.S. Dept. of Commerce, 1988

Conference Proceeding Book
13
[Fort Collins, Colo.] : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1981

Government Document Conference Proceeding Book
14
[Morgantown], [School of Mines, West Virginia University], 1971

Conference Proceeding Book
15
Rome : Food and Agriculture Organization of the United Nations, 1988

Book
17
Honolulu, Hawaii : Environment and Policy Institute, East-West Center, University of Hawaii, 1984

Conference Proceeding Book
18
Addis Ababa : Organization for Social Science Research in Eastern and Southern Africa, 2000

Conference Proceeding Book
19
Rome : Food and Agriculture Organization of the United Nations, 1988

Book
20
[Washington? D.C.] : United States Dept. of Agriculture, 1993

Government Document Conference Proceeding Book