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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ueoka, Meyer L. - Koplin, J R
    Type: Article
    In: Raptor research
    Volume: 7
    Issue: 2
    Date: 1973
    Page Range: 32--38
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]