Originally presented as the author's thesis. Zürich. / Includes bibliographical references.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/576090919 |
Date | January 1971 |
Creators | Sigg, Otto. |
Publisher | Bern, Frankfurt/M., Herbert Lang, |
Source Sets | OCLC |
Language | German |
Detected Language | German |
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