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  1. By: Emlen, Stephen T. - Rising, Jim, - Thompson, William L
    Type: Article
    In: The Wilson bulletin
    Volume: 87
    Issue: 2
    Date: 1975
    Page Range: 145--179
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Emlen, Stephen T.
    Type: Article
    In: Scopus
    Volume: 3
    Date: 1979
    Page Range: 101--102
    Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,
  3. By: Hegner, R E - Emlen, Stephen T. - Demong, N J - Miller, C E
    Type: Article
    In: Scopus
    Volume: 3
    Date: 1979
    Page Range: 9--13
    Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,