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By: Tome, DavorinType: ArticleIn: The journal of raptor researchVolume: 32Series:Issue: 2Date: 1998Page Range: 170--174Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Tome, DavorinType: ArticleIn: The journal of raptor researchVolume: 28Series:Issue: 4Date: 1994Page Range: 253--258Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: