Zugl.: Köln, Univ., Diss., 1999.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/313732694 |
| Date | January 1999 |
| Creators | Zimmermann, Ralf. |
| Publisher | Köln : Inst. für Wirtschaftsforschung, |
| Source Sets | OCLC |
| Language | German |
| Detected Language | German |
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