Thèse Sciences économiques, 1971.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/26812074 |
| Date | January 1971 |
| Creators | Landtwing, Robert. |
| Publisher | Zürich, Juris Verlag, |
| Source Sets | OCLC |
| Language | German |
| Detected Language | French |
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