Diss.--Zürich--Zürich university, 1989.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/464115123 |
| Date | January 1992 |
| Creators | Ernst, Katharina. |
| Publisher | Heidelberg : C. Winter, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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