Biological monitoring of water and effluent quality : a symposium, Blacksburg, Va., 2-4 Nov. 1975

Symposium on Biological Monitoring of Water and Effluent Quality (1975 : Virginia Polytechnic Institute and State University)
Philadelphia : ASTM, [1976]

Modeling the fate of chemicals in the aquatic environment

Ann Arbor, Mich. : Ann Arbor Science Publishers, [1982]

Recovery and restoration of damaged ecosystems : proceedings of the International Symposium on the R

International Symposium on the Recovery of Damaged Ecosystems (1975 : Virginia Polytechnic Institute and State University)
Charlottesville : University Press of Virginia, 1977.