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  1. By: Hepner, Leon W
    Type: Article
    In: The University of Kansas science bulletin
    Volume: 28
    Issue: 8
    Date: 1942-05-15
    Page Range: 145--185
    Publication Info: [Lawrence], University of Kansas, [1926-1996]
  2. By: Hepner, Leon W
    Type: Article
    In: The University of Kansas science bulletin
    Volume: 31
    Issue: 16
    Date: 1947-11-01
    Page Range: 413--541
    Publication Info: [Lawrence], University of Kansas, [1926-1996]
  3. By: Hepner, Leon W
    Type: Article
    In: The University of Kansas science bulletin
    Volume: 28
    Issue: 13
    Date: 1942-11-15
    Page Range: 253--293
    Publication Info: [Lawrence], University of Kansas, [1926-1996]