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By: Patla, S M - Trost, Charles H. (Charles Henry),Type: ArticleIn: The journal of raptor researchVolume: 29Series:Issue: 1Date: 1995Page Range: 44--44Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Patla, S MType: ArticleIn: The journal of raptor researchVolume: 39Series:Issue: 3Date: 2005Page Range: 324--334Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: