RT Book, Whole DB /z-wcorg/ DS http://worldcat.org ID 45084483 LA English T1 Evaluation guidelines for ecological indicators A1 Jackson, Laura E. A1 Kurtz, Janis C. A1 Fisher, William S. A1 United States. Environmental Protection Agency. Office of Research and Development. PB U.S. Environmental Protection Agency, Office of Research and Development PP Research Triangle Park, NC YR 2000