Proceedings of the third USA-USSR Symposium on the Effects of Pollutants Upon Aquatic Ecosystems : theoretical aspects of aquatic toxicology, July 2-6, 1979, Borok, Jaroslav Oblast, USSR
Duluth, Minn. : Environmental Research Laboratory-Duluth, Office of Research and Development, U.S. Environmental Protection Agency ; Springfield, Va. : National Technical Information Service [distributor], 1980