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  1. By: Hohman, William L - Rave, David P
    Type: Article
    In: The Wilson bulletin
    Volume: 102
    Issue: 4
    Date: 1990
    Page Range: 645--654
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Zicus, Michael C. - Fieberg, John - Rave, David P
    Type: Article
    In: The Wilson bulletin
    Volume: 115
    Issue: 4
    Date: 2003
    Page Range: 409--413
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-