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By: Bosakowski, Thomas - Mccullough, B - Lapsansky, F J - Vaughn, Martin E.Type: ArticleIn: The journal of raptor researchVolume: 33Series:Issue: 3Date: 1999Page Range: 240--244Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Jackman, Ronald E - Hunt, W G - Driscoll, D E - Lapsansky, F JType: ArticleIn: The journal of raptor researchVolume: 28Series:Issue: 4Date: 1994Page Range: 268--273Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: