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By: Agostini, Nicolantonio - Baghino, Luca - Coleiro, Charles - Corbi, F - Premuda, GuidoType: ArticleIn: The journal of raptor researchVolume: 36Series:Issue: 2Date: 2002Page Range: 111--114Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: