The author's inaugural dissertation, Berlin, 1928.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/647112415 |
| Date | January 1929 |
| Creators | Wolff, Erwin, |
| Publisher | Berlin, Weidmann, |
| Source Sets | OCLC |
| Language | German |
| Detected Language | English |
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