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By: Riemann, H - Behymer, Darrell. - Fowler, M - Ley, D - Schultz, T - Ruppanner, R - King, JType: ArticleIn: Raptor researchVolume: 11Series:Issue: 4Date: 1979Page Range: 104--111Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects: