Thesis (Ph.D.)--University of Pennsylvania, 2007. / Adviser: Oscar H. Gandy, Jr. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/213893500 |
| Date | January 2007 |
| Creators | Li, Zhan. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | online access from Digital Dissertation Consortium |
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