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  1. By: François, Y
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 21
    Series: 2
    Issue: 2
    Date: 1949-03
    Page Range: 215--217
    Publication Info: Paris, Imprimerie nationale, 1907-1971
  2. By: François, Y
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 22
    Series: 2
    Issue: 6
    Date: 1950
    Page Range: 675--681
    Publication Info: Paris, Imprimerie nationale, 1907-1971