Thesis (Doctoral)--Ruhr-Universität Bochum.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/647094172 |
Date | January 1983 |
Creators | Friedrich, Klaus, |
Source Sets | OCLC |
Language | German |
Detected Language | German |
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