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By: Howard, R P - Wilson, Lanny O. - Renn, F BType: ArticleIn: Raptor researchVolume: 10Series:Issue: 4Date: 1976Page Range: 120--128Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Howard, R P - Hilliard, MType: ArticleIn: Raptor researchVolume: 14Series:Issue: 2Date: 1980Page Range: 41--45Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects: