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  1. By: Heinis, F
    Type: Article
    In: Revue suisse de zoologie
    Volume: 19
    Date: 1911
    Page Range: 253--266
    Publication Info: Genève Kundig [etc.]
  2. By: Heinis, F
    Type: Article
    In: Revue suisse de zoologie
    Volume: 20
    Date: 1912
    Page Range: 775--779
    Publication Info: Genève Kundig [etc.]