Thesis (Ph. D.)--University of Chicago, 1920. / "Private edition, distributed by the University of Chicago libraries, Chicago, Illinois." "Reprinted from Iowa state college of agriculture and mechanic arts, Research bulletin, nos. 63 and 65, October, 1920, and November, 1920." Bibliography: p. 96b-96c, 128. Also available on the Internet.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/14263993 |
| Date | January 1900 |
| Creators | Hammer, Bernard Wernick, |
| Publisher | [Ames, Ia., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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