Thesis (Ph. D.)--University of Pennsylvania, 1990. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 323-347).
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/606258500 |
Date | January 1990 |
Creators | Sheng, Angela Yu-Yun. |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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