Helmer H. Koppelman Sign in to save
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Aachen papers
Departments & institutes in Aachen
No department could be parsed from this author's affiliation strings.
Affiliations exactly as printed on papers (1)
- 2× Kapteyn Astronomical Institute, University of Groningen, PO Box 800, NL-9700 AV Groningen, the Netherlands
Papers 2 stored
2 results