Published also as Thesis (Ph. D.)--University of Illinois, 1916. / Includes bibliographical references (p. 140-142).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/191697788 |
| Date | January 1900 |
| Creators | Debel, Niels H. |
| Publisher | [Urbana : University of Illinois, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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