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  1. By: Keys, Charles E.
    Type: Article
    In: Transactions of the Kentucky Academy of Science
    Volume: 15
    Issue: 1-2
    Date: 1954-07
    Page Range: 1--10
    Publication Info: [Lexington, Ky.], Kentucky Academy of Science, 1923-1997
  2. By: Keys, Charles E.
    Type: Article
    In: Transactions of the Kentucky Academy of Science
    Volume: 19
    Issue: 1-2
    Date: 1958-05
    Page Range: 25--27
    Publication Info: [Lexington, Ky.], Kentucky Academy of Science, 1923-1997