Thesis (doctoral)--Rijks-Universiteit te Utrecht, 1931. / Includes bibliographical references (p. 11).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/301224448 |
| Date | January 1931 |
| Creators | Beaufort, R. F. P. de |
| Publisher | Delft [Netherlands] : J. Waltman, Jr., |
| Source Sets | OCLC |
| Language | Dutch |
| Detected Language | English |
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