Transactions of the 6th Conference on the Biology of Inland Waters.

Soveshchanie po problemam biologii vnutrennikh vod (6th : 1957 : Leningrad, R.S.F.S.R.; Borok, Russia)
Jerusalem : Israel Program for Scientific Translations [available from the U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1969.