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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Du Bois, Anne Marie - Martin Du Pan, R - Koechli, B - Hyde, A M
    Type: Article
    In: Revue suisse de zoologie
    Volume: 76
    Date: 1969
    Page Range: 1055--1063
    Publication Info: Genève, Kundig [etc.],