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  1. By: Casey, Richard J. - Alberta Environmental Centre.
    Publication info: Vegreville, Alta, Alberta Environmental Centre, Mar. 1994
    Holding Institution: University of Alberta Library
    Subjects: Aquatic animals  Aquatic organisms  Artificial substrates (Aquatic biology)  Benthos  Sampling  
  2. By: Simpson, Karl W. - Bode, Robert W. - New York (State). Department of Health.
    Publication info: Albany, N.Y, New York State Museum, University of the State of New York, State Education Dept, 1980, ©1979
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Aquatic insects  Artificial substrates (Aquatic biology)  Chironomidae  Larvae  New York (State)  
    BHL Collections: Expanding Access to Biodiversity Literature