Thesis--Universität Köln. / Includes bibliographical references (p. 261-266).
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/643994440 |
Date | January 1976 |
Creators | Vaupel, Siegfried, |
Publisher | Köln : Universität Köln, |
Source Sets | OCLC |
Language | German |
Detected Language | German |
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