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  1. By: Peters, Rupert
    Type: Article
    In: The Kansas University science bulletin
    Volume: 13
    Issue: 3
    Date: 1920-05-15
    Page Range: 21--37
    Publication Info: Lawrence, Kan, The University, 1902-1924
  2. By: Peters, Rupert
    Type: Article
    In: The Kansas University science bulletin
    Volume: 9
    Issue: 1
    Date: 1914-12
    Page Range: 1--10
    Publication Info: Lawrence, Kan, The University, 1902-1924