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  1. By: Riemann, H - Behymer, Darrell. - Fowler, M - Ley, D - Schultz, T - Ruppanner, R - King, J
    Type: Article
    In: Raptor research
    Volume: 11
    Issue: 4
    Date: 1979
    Page Range: 104--111
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]