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By: Casey, Richard J. - Alberta Environmental Centre.Edition:Publication info: Vegreville, Alta, Alberta Environmental Centre, Mar. 1994Volume:Series:Holding Institution: University of Alberta LibrarySubjects: Aquatic animals Aquatic organisms Artificial substrates (Aquatic biology) Benthos SamplingBHL Collections:
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By: Simpson, Karl W. - Bode, Robert W. - New York (State). Department of Health.Edition:Publication info: Albany, N.Y, New York State Museum, University of the State of New York, State Education Dept, 1980, ©1979Volume: no.439 (1980)Series:Holding Institution: New York Botanical Garden, LuEsther T. Mertz LibrarySubjects: Aquatic insects Artificial substrates (Aquatic biology) Chironomidae Larvae New York (State)BHL Collections: Expanding Access to Biodiversity Literature