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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Penrod, E.B. - Walton, W. W. - Knight, H. O.
    Type: Article
    In: Transactions of the Kentucky Academy of Science
    Volume: 20
    Issue: 1-2
    Date: 1959
    Page Range: 4--10
    Publication Info: [Lexington, Ky.], Kentucky Academy of Science, 1923-1997