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Author/Creator
- ebrary, Inc49
- Pacific Northwest Research Station (Portland, Or.)11
- ProQuest (Firm)9
- United States. General Accounting Office7
- Edward Elgar Publishing, publisher6
- Gonsalves, Julian F., 1949-6
- U.S. Fish and Wildlife Service6
- United States. Environmental Protection Agency. Office of Research and Development6
- Haynes, Richard W.5
- International Development Research Centre (Canada)5
- North American Wetlands Conservation Council5
- Project Muse5
- Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)5
- Rocky Mountain Research Station (Fort Collins, Colo.)5
- Safari Books Online (Firm)5
- United States. Agricultural Research Service5
- Coleman, David C., 1938-4
- National Research Council (U.S.). Board on Agriculture4
- National Research Council (U.S.). Committee on a Study of National Needs for Biomedical and Behavioral Research Personnel4
- Senese, Paul Domenic4