Thesis (Ph. D.)--Columbia University, 2000. / Includes bibliographical references (leaves 218-224).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/647140968 |
| Date | January 2000 |
| Creators | Yang, Keming, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | China |
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