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By: Sergio, F - Boto, Alberto - Scandolara, Chiara - Bogliani, GiuseppeType: ArticleIn: The journal of raptor researchVolume: 36Series:Issue: 1Date: 2002Page Range: 24--32Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Sergio, F - Boto, AlbertoType: ArticleIn: The journal of raptor researchVolume: 33Series:Issue: 3Date: 1999Page Range: 207--217Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: