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  1. By: Bolen, Eric G. (Eric George), - Chapman, Brian R. - Wilson, Marcia M - Weller, Milton W - Jahn, Laurence R - Robbins, Chandler S. - Samson, Fred B
    Type: Article
    In: The Wilson bulletin
    Volume: 93
    Issue: 3
    Date: 1981
    Page Range: 438--456
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-