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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Wehner, Rüdiger - Eheim, W-P - Herrling, P-L
    Type: Article
    In: Revue suisse de zoologie
    Volume: 78
    Date: 1971
    Page Range: 722--737
    Publication Info: Genève, Kundig [etc.],