Issued also as thesis, Leyden.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/297902159 |
| Date | January 1955 |
| Creators | Gelderen, H. H. van |
| Publisher | Leiden, Stenfert Kroese, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | Netherlands |
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