Thesis (Ph.D.)--The University of Iowa, 1991. / Supervisor: Kenneth Starck. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/86068444 |
| Date | January 1991 |
| Creators | Yu, Xu. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | access full-text online access from Digital Dissertation Consortium |
| Coverage | China China |
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