Proefschrift--Groningen. / "Stellingen" inserted at end. Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/551510002 |
| Date | January 1940 |
| Creators | Hoekstra, A. |
| Publisher | Amsterdam, H.J. Paris, |
| Source Sets | OCLC |
| Language | Dutch |
| Detected Language | Dutch |
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