"Thesis approved for the degree of doctor of philosophy, University of London." / Maps on lining papers. Bibliography: p. [315]-332.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/602664683 |
| Date | January 1962 |
| Creators | Barat, Amiya. |
| Publisher | Calcutta, Firma K.L. Mukhopadhyay, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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