Thesis (Ph. D.)--Duke University, 2007. / Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/299046851 |
| Date | January 2007 |
| Creators | Guo, Pengfei, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Type | Electronic dissertations. |
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