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  1. By: Salafranca, Enrique S
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 52
    Issue: 5
    Date: 1967-12-30
    Page Range: 41--47
    Publication Info: New York,
  2. By: Salafranca, Enrique S
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 57
    Issue: 9
    Date: 1973
    Page Range: 126--134
    Publication Info: New York,