Thesis (Ph. D.)--Pennsylvania State University, 1972. / Vita. Includes bibliographical references.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/650013300 |
Date | January 1972 |
Creators | Williamson, Janet A., |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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