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By: Busch, David E. - Degraw, W A - Clampitt, N CType: ArticleIn: Raptor researchVolume: 18Series:Issue: 2Date: 1984Page Range: 74--77Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Busch, David E. - Degraw, W A - Clampitt, N CType: ArticleIn: Raptor researchVolume: 12Series:Issue: 3/4Date: 1978Page Range: 122--125Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects: