Graduation date: 1994
| Identifer | oai:union.ndltd.org:ORGSU/oai:ir.library.oregonstate.edu:1957/35607 |
| Date | 23 August 1993 |
| Creators | Li, Yulan |
| Contributors | Thomas, David R., Birkes, David S. |
| Source Sets | Oregon State University |
| Language | en_US |
| Detected Language | English |
| Type | Thesis/Dissertation |
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