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By: Russell, Robert JType: ArticleIn: University of Kansas publications, Museum of Natural HistoryVolume: 16Series:Issue:Date: 1968Page Range: 473--579Publication Info: Lawrence, University of Kansas,Subjects:
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By: Russell, Robert JType: ArticleIn: University of Kansas publications, Museum of Natural HistoryVolume: 9Series:Issue:Date: 1957Page Range: 357--361Publication Info: Lawrence, University of Kansas,Subjects: