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By: Ellis, K LType: ArticleIn: Raptor researchVolume: 20Series:Issue: 3-4Date: 1986Page Range: 132--133Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Fischer, David L. - Ellis, K L - Meese, R JType: ArticleIn: Raptor researchVolume: 18Series:Issue: 3Date: 1984Page Range: 98--102Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects: