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  1. By: Bott, Richard
    Type: Article
    In: Revue suisse de zoologie
    Volume: 79
    Date: 1972
    Page Range: 387--408
    Publication Info: Genève, Kundig [etc.],
  2. By: Bott, Richard
    Type: Article
    In: Revue suisse de zoologie
    Volume: 77
    Date: 1970-06
    Page Range: 327--344
    Publication Info: Genève, Kundig [etc.],
  3. By: Bott, Richard
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 37
    Series: 2
    Issue: 2
    Date: 1965
    Page Range: 335--356
    Publication Info: Paris, Imprimerie nationale, 1907-1971