Thesis (Ph. D.)--University of Delaware, 1997. / Includes bibliographical references (leaves 181-190).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/646879629 |
| Date | January 1997 |
| Creators | Wei, Ge. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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