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  1. By: Emsley, Michael G.
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 49
    Issue: 15
    Date: 1965-01-15
    Page Range: 245--286
    Publication Info: New York,
  2. By: Emsley, Michael G.
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 48
    Issue: 8
    Date: 1963-12-26
    Page Range: 85--130
    Publication Info: New York,
  3. By: Emsley, Michael G.
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 50
    Issue: 14
    Date: 1965-12-31
    Page Range: 191--254
    Publication Info: New York,