Krenkel, P. A. (1975). Heavy metals in the aquatic environment: Proceedings of the international conference held in Nashville, Tennessee, December 1973 / edited by P. A. Krenkel ; sponsored by the International Association on Water Pollution Research, the Sport Fishing Institute, and the Department of Environmental and Water Resources Engineering at Vanderbilt University. Oxford, New York: Pergamon Press.

Krenkel, Peter A. Heavy Metals in the Aquatic Environment: Proceedings of the International Conference Held in Nashville, Tennessee, December 1973 / Edited By P. A. Krenkel ; Sponsored By the International Association On Water Pollution Research, the Sport Fishing Institute, and the Department of Environmental and Water Resources Engineering At Vanderbilt University. Oxford, New York: Pergamon Press, 1975.

Krenkel, Peter A. Heavy Metals in the Aquatic Environment: Proceedings of the International Conference Held in Nashville, Tennessee, December 1973 / Edited By P. A. Krenkel ; Sponsored By the International Association On Water Pollution Research, the Sport Fishing Institute, and the Department of Environmental and Water Resources Engineering At Vanderbilt University. Oxford, New York: Pergamon Press, 1975.