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  1. Mittheilungen der Naturforschenden Gesellschaft in Bern.
    By: Naturforschende Gesellschaft in Bern.
    Publication info: [Bern,Naturforschenden Gesellschaft in Bern]
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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