Thesis--University of Helsinki, 1990. / Includes bibliographical references (p. 86-102).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/645122921 |
| Date | January 1990 |
| Creators | Wallgren-Pettersson, Carina. |
| Publisher | Helsinki, Finland : Finnish Society of Sciences and Letters, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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