Thesis (Ph. D.)--University of Chicago, 1920. / Cover title. "Private edition, distributed by the University of Chicago libraries, Chicago, Illinois." "Reprinted from the Transactions of the Illinois State Academy of Science, vol. 14, no. 1." Bibliography: p. 41-42. Also available on the Internet. Also issued online.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/12273266 |
| Date | January 1922 |
| Creators | De Forest, Howard, |
| Publisher | [Springfield, Ill.] |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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