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By: Hubert, C - Gallo, AlainType: ArticleIn: The journal of raptor researchVolume: 29Series:Issue: 2Date: 1995Page Range: 103--109Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Hubert, CType: ArticleIn: The journal of raptor researchVolume: 27Series:Issue: 2Date: 1993Page Range: 102--105Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: