Thesis -- Columbia University. / Cover title. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/456588561 |
| Date | January 1956 |
| Creators | Croft, William J. |
| Publisher | New York : The New York Academy of Sciences, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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