Search results for: Davidson, John H. (Graduate of Michigan State College)

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  1. 1

    Distribution of nitrogen in the leaves of certain species of the Rosaceae

    Physical Description: 4 unnumbered pages, 51 leaves ; 29 cm
    Thesis Book
  2. 2

    Distribution of nitrogen in the leaves of certain species of the Rosaceae

    Physical Description: 4 unnumbered pages, 51 leaves ; 29 cm
    Thesis Microfilm Book