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  1. By: Behrens, Wilhelm Julius,
    Publication info: Braunschweig, H. Bruhn, 1887
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  1. By: Behrens, Wilhelm Julius,
    Type: Article
    In: Entomologische Zeitung
    Volume: 48
    Date: 1887
    Page Range: 211--234
    Publication Info: [Stettin Entomologischer Verein zu Stettin 1840-1911]
  2. By: Behrens, Wilhelm Julius,
    Type: Article
    In: Entomologische Zeitung
    Volume: 48
    Date: 1887
    Page Range: 18--22
    Publication Info: [Stettin Entomologischer Verein zu Stettin 1840-1911]