Thesis--Helsinfors. / Summary in English. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/551283207 |
| Date | January 1961 |
| Creators | Ukkola, Helge. |
| Publisher | Helsinki, |
| Source Sets | OCLC |
| Language | Finnish |
| Detected Language | English |
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