Ground water contamination;
proceedings of the 1961 symposium.

APA Citation

Symposium on Ground Water Contamination (April 5-7, 1. : Cincinnati., United States. Public Health Service., U.S. Division of Water Supply and Pollution Control. (1961). Ground water contamination: proceedings of the 1961 symposium. Cincinnati, Ohio: Robert A. Taft Sanitary Engineering Center.

MLA Citation

Symposium on Ground Water Contamination (April 5-7, 1961 : Cincinnati, Ohio), United States. Public Health Service, and U.S. Division of Water Supply and Pollution Control. Ground Water Contamination: Proceedings of the 1961 Symposium. Cincinnati, Ohio: Robert A. Taft Sanitary Engineering Center, 1961.