Thesis (Ph. D.)--University of Pennsylvania, 1971. / Includes index. Bibliography: leaves vi-viii.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/631291446 |
| Date | January 1971 |
| Creators | Liang, James C. P. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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