Proefschrift--Leyden. / Label mounted over imprint: Paris, A. Nizet & M. Bastard.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/551709428 |
| Date | January 1933 |
| Creators | Keyser, Sijbrand, |
| Publisher | Leiden, M. Dubbeldeman, |
| Source Sets | OCLC |
| Language | French |
| Detected Language | French |
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