Thesis (Ph.D.)--University of Michigan. / eContent provider-neutral record in process. Description based on print version record.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/607856128 |
| Date | January 1947 |
| Creators | Helfman, Harold M. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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