Presented as Thesis (Ph. D.)--University of Wisconsin--Madison, 1932. / Caption title. Reprinted from Phytopathology, vol. XXIII, no. 4 (Apr. 1933). Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608496732 |
| Date | January 1933 |
| Creators | Koch, Karl Lee. |
| Publisher | [St. Paul, Minn., etc. : American Phytopathological Society], |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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