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  1. By: Stäger, R
    Type: Article
    In: Revue suisse de zoologie
    Volume: 25
    Date: 1917
    Page Range: 95--109
    Publication Info: Genève, Kundig [etc.],
  2. By: Stäger, R
    Type: Article
    In: Revue suisse de zoologie
    Volume: 40
    Date: 1933
    Page Range: 349--363
    Publication Info: Genève, Kundig [etc.],
  3. By: Stäger, R
    Type: Article
    In: Revue suisse de zoologie
    Volume: 20
    Date: 1912
    Page Range: 65--71
    Publication Info: Genève, Kundig [etc.],