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By: Marches, L - Pedrini, P - Sergio, FType: ArticleIn: The journal of raptor researchVolume: 36Series:Issue: 1Date: 2002Page Range: 11--16Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Pedrini, P - Sergio, FType: ArticleIn: The journal of raptor researchVolume: 35Series:Issue: 1Date: 2001Page Range: 40--48Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: