Graduation date: 1993
| Identifer | oai:union.ndltd.org:ORGSU/oai:ir.library.oregonstate.edu:1957/36218 |
| Date | 30 June 1992 |
| Creators | Sun, Yang, 1959 Apr. 19- |
| Contributors | Leonard, John W. |
| Source Sets | Oregon State University |
| Language | en_US |
| Detected Language | English |
| Type | Thesis/Dissertation |
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