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By: Rohner, C - Doyle, F IType: ArticleIn: The journal of raptor researchVolume: 26Series:Issue: 4Date: 1992Page Range: 261--263Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Rohner, C - Doyle, F IType: ArticleIn: The journal of raptor researchVolume: 26Series:Issue: 1Date: 1992Page Range: 33--35Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Rohner, CType: ArticleIn: Revue suisse de zoologieVolume: 97Series:Issue:Date: 1990Page Range: 453--464Publication Info: Genève, Kundig [etc.],Subjects:
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By: Rohner, CType: ArticleIn: The journal of raptor researchVolume: 29Series:Issue: 1Date: 1995Page Range: 65--65Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: