http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Costs of water pollution control: national symposium, April 6 and 7, 1972
National Symposium on Costs of Water Pollution Control (1972 : Raleigh, N.C.)
University of North Carolina (1793-1962)
"Sponsored by the Research Triangle universities; Duke University, North Carolina State University [and the] University of North Carolina at Chapel Hill; U.S. Environmental Protection Agency, in cooperation with the American Society of Civil Engineers [and others]"