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  1. By: International Ornithological Congress Basel) - Portmann, Adolf, - Portmann, Adolf, - Sutter, E - Sutter, Ernst, (Harvard local name)
    Publication info: Basel, Birkhäuser, 1955
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  1. By: Sutter, E
    Type: Article
    In: Revue suisse de zoologie
    Volume: 81
    Date: 1974
    Page Range: 684--689
    Publication Info: Genève, Kundig [etc.],
  2. By: Sutter, E
    Type: Article
    In: Revue suisse de zoologie
    Volume: 64
    Date: 1957
    Page Range: 294--303
    Publication Info: Genève, Kundig [etc.],