Thesis (Ph. D.)--University of Minnesota, 1934. / Vita. Published also as Technical bulletin 133, December 1938, of the Minnesota Agricultural experiment station. "Literature cited": p. 46-48.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/595027906 |
| Date | January 1900 |
| Creators | Tyler, Leon J. |
| Publisher | [St. Paul, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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