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  1. By: Stone, Charles P - Mott, Donald F - Besser, Jerome F - De Grazio, John W
    Type: Article
    In: The Wilson bulletin
    Volume: 84
    Issue: 1
    Date: 1972
    Page Range: 101--105
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Besser, Jerome F - Brady, Daniel J
    Type: Article
    In: The Wilson bulletin
    Volume: 96
    Issue: 1
    Date: 1984
    Page Range: 83--90
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-