Thesis--University of Helsinki.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/647460348 |
| Date | January 1912 |
| Creators | Airila, Martti, |
| Publisher | Helsinki, Sana, |
| Source Sets | OCLC |
| Language | Finnish |
| Detected Language | Finnish |
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