Author
Berkowitz, Joan, 1931-
3
United States. Environmental Protection Agency. Office of Research and Monitoring
3
Schimke, G. R.
2
Valeri, V. R.
2
Brown, Larry R.
1
Dwyer, F. James
1
Environmental Research Laboratory (Gulf Breeze, Fla.)
1
Geological Survey (U.S.)
1
National Water-Quality Assessment Program (U.S.)
1
Schimke, G. R.,
1
Valeri, V. R.,
1