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  1. Beiträge zur Flora der unteren Kreide Quedlinburgs /
    By: Richter, P. B. (Paul Boguslav),
    Publication info: Leipzig :W. Engelmann,1906-1909.
    Holding Institution: United States Geological Survey Libraries Program
    Subjects: Cretaceous  Germany  Paleobotany  Quedlinburg (Landkreis)  
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