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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Nisbet, Gladys T. - Jackson, Raymond C. (Raymond Carl),
    Type: Article
    In: The University of Kansas science bulletin
    Volume: 41
    Issue: 5
    Date: 1960-12-23
    Page Range: 691--759
    Publication Info: [Lawrence] University of Kansas [1926-1996]