Thesis (Ph. D.)--Oregon Graduate Center, 1988.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/17889862 |
| Date | January 1988 |
| Creators | Qian, Feng, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | Full text open access at: |
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