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  1. By: Nigrelli, Ross F. (Ross Franco), - Jakowska, Sophie - Bonnelly de Calventi, Idelisa,
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 44
    Issue: 13
    Date: 1959
    Page Range: 173--176
    Publication Info: New York,
  2. By: Nigrelli, Ross F. (Ross Franco), - Jakowska, Sophie
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 46
    Issue: 4
    Date: 1961-04-28
    Page Range: 49--55
    Publication Info: New York,
  3. By: Jakowska, Sophie - Nigrelli, Ross F. (Ross Franco),
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 38
    Issue: 16
    Date: 1953-12-31
    Page Range: 183--191
    Publication Info: New York,
  4. By: Jakowska, Sophie - Nigrelli, Ross F. (Ross Franco), - Sparrow, Arnold H.
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 43
    Issue: 14
    Date: 1958-12-31
    Page Range: 155--160
    Publication Info: New York,
  5. By: Nigrelli, Ross F. (Ross Franco), - Jakowska, Sophie
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 38
    Issue: 8
    Date: 1953-09-15
    Page Range: 109--112
    Publication Info: New York,