# Karel Jezek

> researcher

**Wikidata**: [Q67221687](https://www.wikidata.org/wiki/Q67221687)  
**Source**: https://4ort.xyz/entity/karel-jezek-q67221687


## References

1. [regional database of the Pilsen City Library](https://tritius.plzen.eu/authority/146766)
2. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0001-7559-3689/employment/5015146)
3. [IS VaVaI](https://api.isvavai.cz/)
4. Personal Authority Wikibase of the Czech Republic