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  1. By: Marion, W R - Quincy, P. A. - Cutlip, C G - Wilcox, J. R.
    Type: Article
    In: The journal of raptor research
    Volume: 26
    Issue: 4
    Date: 1992
    Page Range: 266--266
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-