"Presented in June, 1947, to the ... University of Illinois ... for the degree of doctor of philosophy in economics." / Bibliography: p. 249-250.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/610213002 |
| Date | January 1949 |
| Creators | Witney, Fred, |
| Publisher | Urbana, University of Illinois Press, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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