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By: Ristow, D - Wink, Coralie - Wink, MichaelType: ArticleIn: Raptor researchVolume: 16Series:Issue: 3Date: 1982Page Range: 65--70Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Wink, Michael - Ristow, D - Wink, CoralieType: ArticleIn: Raptor researchVolume: 19Series:Issue: 1Date: 1985Page Range: 8--14Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Wink, Michael - Wink, Coralie - Ristow, DType: ArticleIn: Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, BonnVolume: 30Series:Issue:Date: 1979Page Range: 217--219Publication Info: Bonn, Das Forschungsinstitut,Subjects: