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  1. By: Robertson, Andrew, - United States. Office of Naval Research - University of Michigan. Great Lakes Research Division.
    Publication info: Ann Arbor, Mich, University of Michigan, Great Lakes Research Division, 1968
    Holding Institution: University of Michigan
    Subjects: Freshwater plankton  Great Lakes (North America)  Plankton  Research  
  2. By: Schurig, Walther.
    Publication info: Leipzig, Verlag von Quelle & Meyer, 1910
    Holding Institution: MBLWHOI Library
    Subjects: Freshwater biology  Freshwater plankton
  3. By: Birge, E. A. (Edward Asahel), - Juday, Chancey,
    Publication info: Madison, The State, 1922
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Freshwater plankton  Lakes  Plankton  Wisconsin  
  4. By: Kofoid, Charles A. (Charles Atwood),
    Publication info: Urbana, Ill, 1903-08
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Freshwater plankton  Illinois  Illinois River  Illinois River (Ill.)  
  5. By: Apstein, C. (Carl Heinrich),
    Publication info: Kiel, Lipsius & Tischer, 1896
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Freshwater animals  Freshwater plankton