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  1. By: Ermin, Recai
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 37
    Issue: 4
    Date: 1952-06-01
    Page Range: 43--54
    Publication Info: New York,
  2. By: Ermin, Recai - Gordon, Myron,
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 40
    Issue: 6
    Date: 1955-08-19
    Page Range: 53--83
    Publication Info: New York,