Thesis (Ph. D.)--University of Pennsylvania, 1940. / Published also as Psychological monographs, v. 52, no. 4; whole no. 235. Bibliography: p. 37.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/609242739 |
| Date | January 1940 |
| Creators | Martin, John Rogers, |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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