Thesis (Ph. D.)--Oregon Graduate Center, 1973.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/9657548 |
| Date | January 1973 |
| Creators | Perry, Paul M. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | Full text open access at: |
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