Thesis (doctoral)--Rijksuniversiteit te Groningen.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/646833126 |
| Date | January 1981 |
| Creators | Sleijfer, Dirk Theodorus. |
| Publisher | Groningen : Van Denderen, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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