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Pollution controlled changes in algal and protozoan communities. Water Pollution Microbiology. :245-272.. 1972.
Predictive and reactive systems for aquatic ecosystem quality control. Scientific Basis of Water-Resource Management, Geophysics Study Commission, National Resource Council. :72-84.. 1982.
Protozoan colonization of artificial substrates. Methods and Measurements of Periphyton Communities: A Review. Special Technical Publication 690:34-57.. 1979.
Protozoans (Protozoa). Pollution Ecology of Freshwater Invertebrates. :1-28.. 1974.
Pollution related structural and functional changes in aquatic communities with emphasis on freshwater algae and protozoa. Proceedings of the Academy of Natural Sciences of Philadelphia. 124(5):79-127.. 1972.
Potentiation of zinc stress caused by parasitic infection of snails. Hydrobiologia. 55:225-229.. 1977.
Probable existence of synergistic interactions among different species of protozoans. Revista de Biologia. 6(1-2):103-108.. 1967.
The protozoan colonization of polyurethane foam units anchored in the benthic area of Douglas Lake, Michigan. Transactions of the American Microscopical Society. 92:648-656.. 1973.
Protozoan colonization rates and trophic status of some freshwater wetland lakes. Journal of Protozoology. 31:456-467.. 1984.
Protozoan colonization rates on artificial substrates suspended at different depths. Transactions of the American Microscopical Society. 93:206-210.. 1974.
Protozoan species accrual on artificial islands in differing lentic and wetland systems. Hydrobiologia. 75:161-178.. 1980.
A provisional multispecies toxicity test using indigenous organisms. Journal of Testing and Evaluation. 13(4):316-319.. 1985.