Thesis (Ph. D.)--Columbia University, 1923. / Reprinted from the American naturalist, vol. LVI, no. 647, vol. LVII, no. 648, 649 and 651. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/595874194 |
| Date | January 1923 |
| Creators | Brimhall, Dean R., |
| Publisher | New York, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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