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  1. A guide to the study of fresh-water biology, with special reference to aquatic insects and other invertebrate animals and phyto-plankton,
    By: Needham, James G. (James George), - Needham, Paul R.
    Edition: 4th ed., rev. and enl.
    Publication info: Ithaca,New York, Comstock Pub. Co.,1941.
    Holding Institution: MBLWHOI Library
    BHL Collections: Early Women in Science
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