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  1. By: Zink, Gerhardt
    Type: Article
    In: Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn
    Volume: 20
    Date: 1969
    Page Range: 191--199
    Publication Info: Bonn, Das Forschungsinstitut,