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By: Corbacho, C - Sánchez, Juan M. - Sanchez, AType: ArticleIn: The journal of raptor researchVolume: 33Series:Issue: 2Date: 1999Page Range: 117--122Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Villegas, Auxiliadora - Sanchez-Guzman, Juan Manuel - Costillo, E - Corbacho, C - Moran, RType: ArticleIn: The journal of raptor researchVolume: 38Series:Issue: 4Date: 2004Page Range: 361--366Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: