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  1. By: Mertens, Robert, - Wermuth, Heinz
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 18
    Date: 1960
    Page Range: 3--7
    Publication Info: London International Trust for Zoological Nomenclature
  2. By: Wermuth, Heinz
    Type: Article
    In: Stuttgarter Beiträge zur Naturkunde
    Volume: 163
    Date: 1966
    Page Range: 1--6
    Publication Info: Stuttgart, Das Museum,
  3. By: Fuchs, K - Mertens, Robert, - Wermuth, Heinz
    Type: Article
    In: Stuttgarter Beiträge zur Naturkunde
    Volume: 266
    Date: 1974-04-01
    Page Range: 1--8
    Publication Info: Stuttgart, Staatliches Museum für Naturkunde,