Univ., Diss., 1919--Groningen.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/601858318 |
Date | January 1919 |
Creators | Leydesdorff, Julius. |
Publisher | Groningen De Waal |
Source Sets | OCLC |
Language | Dutch |
Detected Language | Dutch |
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