Proefschrift (Ph. D.)--Rijksuniversiteit te Leiden, 1921.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/262471555 |
| Date | January 1921 |
| Creators | Luyten, Willem Jacob, |
| Publisher | Leiden, Eduard Ijdo, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | Dutch |
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