Proefschrift--Groningen. / Summary in Dutch. Includes bibliographical references and index.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/649439753 |
| Date | January 1950 |
| Creators | Waals, Joan Henri van der. |
| Publisher | Amsterdam : D.B. Centen's Uitgevers-maatschappij n.v., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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