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  1. Genera of plancton organisms of the Cayuga lake basin / [by O.A. Johannsen and J.T. Lloyd].
    By: Johannsen, O. A. (Oskar Augustus), - Lloyd, J. T.
    Publication info: Ithaca, N.Y. :Limnological Laboratory of the Dept. of Entomology in Cornell University,1915.
    Holding Institution: Smithsonian Libraries
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