Thesis (Ph. D.)--University of Pennsylvania, 1962. / Includes bibliographical references (leaves xvi-xx). Also issued in print.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/297357224 |
| Date | January 1962 |
| Creators | Aponte, Juan B. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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