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  1. By: Zopf, W. (Wilhelm),
    Publication info: Breslau, E. Trewendt, 1890
    Holding Institution: NCSU Libraries
  2. By: Zopf, W. (Wilhelm),
    Publication info: Halle, M. Niemeyer, 1887
    Holding Institution: University Library, University of Illinois Urbana Champaign
  3. By: Zopf, W. (Wilhelm),
    Publication info: Halle, Fr die Akademie in Commission bei W. Engelmann in Leipzig, 1884
    Holding Institution: Multiple institutions
  4. By: Zopf, W. (Wilhelm),
    Publication info: Leipzig, Veit & Comp, 1885
    Holding Institution: MBLWHOI Library
  1. By: Zopf, W. (Wilhelm),
    Type: Article
    In: Abhandlungen der Naturforschenden Gesellschaft zu Halle
    Volume: 17
    Date: 1887
    Page Range: 77--107
    Publication Info: Halle, Naturforschende Gesellschaft zu Halle, 1853-1906