Thesis--University of Maryland. / Includes bibliographical references (leaves 68; leaves 99-101).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/607853194 |
| Date | January 1975 |
| Creators | Petrowski, Dorothy D. |
| Publisher | Ann Arbor, Mich. : University Microfilms, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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