Thesis (Ph. D.)--University of Pennsylvania, 1987. / Includes bibliographical reference (leaves 407-418) and index.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/621746979 |
Date | January 1987 |
Creators | Bergen, Barry Herman. |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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