Water pollution control [electronic resource] : a guide to the use of water quality management principles / edited by Richard Helmer and Ivanildo Hespanhol.
Material type:
- 363.739/4 21
- TD365 .W364 1997eb
"Published on behalf of UNEP, United Nations Environment Program, Water Supply & Sanitation Collaborative Council, World Health Organization."
Includes bibliographical references and index.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2009. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.
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