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By: Bogliani, Giuseppe - Barbieri, Francisco D - Tiso, EugenioType: ArticleIn: The journal of raptor researchVolume: 28Series:Issue: 1Date: 1994Page Range: 13--18Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Bogliani, Giuseppe - Tiso, Eugenio - Barbieri, Francisco DType: ArticleIn: The journal of raptor researchVolume: 26Series:Issue: 4Date: 1992Page Range: 263--265Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: