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  1. By: Ehmann, William D. - Huizenga, John R.
    Type: Article
    In: Transactions of the Kentucky Academy of Science
    Volume: 21
    Issue: 1-2
    Date: 1960
    Page Range: 1--5
    Publication Info: [Lexington, Ky.], Kentucky Academy of Science, 1923-1997
  2. By: Ehmann, William D. - Busche, Jack R.
    Type: Article
    In: Transactions of the Kentucky Academy of Science
    Volume: 29
    Issue: 1-4
    Date: 1968
    Page Range: 5--7
    Publication Info: [Lexington, Ky.], Kentucky Academy of Science, 1923-1997