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  1. By: Calas, Pierre,
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 21
    Series: 2
    Issue: 1
    Date: 1949-01
    Page Range: 164--168
    Publication Info: Paris, Imprimerie nationale, 1907-1971
  2. By: Calas, Pierre,
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 27
    Series: 2
    Issue: 3
    Date: 1955-05
    Page Range: 278--284
    Publication Info: Paris, Imprimerie nationale, 1907-1971
  3. By: Calas, Pierre,
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 18
    Series: 2
    Issue: 5
    Date: 1946-10
    Page Range: 404--408
    Publication Info: Paris, Imprimerie nationale, 1907-1971
  4. By: Calas, Pierre, - Magné, J
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 24
    Series: 2
    Issue: 4
    Date: 1952-07
    Page Range: 435--437
    Publication Info: Paris, Imprimerie nationale, 1907-1971
  5. By: Brebion, P - Buge, Émile, - Calas, Pierre, - Goumard, J
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 28
    Series: 2
    Issue: 6
    Date: 1956
    Page Range: 555--557
    Publication Info: Paris, Imprimerie nationale, 1907-1971