# Norbert Marwan

> physicist and cave researcher

**Wikidata**: [Q57077908](https://www.wikidata.org/wiki/Q57077908)  
**Source**: https://4ort.xyz/entity/norbert-marwan


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](https://www.uni-potsdam.de/de/geo/institut/mitarbeiter#c440007)
4. [Source](https://nbn-resolving.org/urn:nbn:de:kobv:517-0000856)
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Virtual International Authority File
7. [Source](https://nbn-resolving.org/urn:nbn:de:kobv:517-opus4-441973)
8. [Source](https://gepris-extern.dfg.de/gepris/person/135433272)
9. ORCID iD
10. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-1437-7039/external-identifiers/33019)