Virginia Water Resources Research CenterNational Conference on Pesticides (4th : 1993 : Richmond, Va.)Weigmann, Diana L.2015-08-042015-08-041994http://hdl.handle.net/10919/55215xi, 820 pagesapplication/pdfen-USIn CopyrightLD5655.A762Pesticides -- CongressesPesticides -- Environmental aspects -- CongressesNew directions in pesticide research, development, management, and policy : proceedings of the Fourth National Conference on Pesticides, November 1-3, 1993Conference proceeding31350371