# Stefan Graeser

> professor, Mineralogical-Petrographic Institute, University of Basel, Switzerland

**Wikidata**: [Q15217069](https://www.wikidata.org/wiki/Q15217069)  
**Source**: https://4ort.xyz/entity/stefan-graeser


## References

1. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Virtual International Authority File
4. [Source](http://www.mindat.org/min-6977.html)