# Petr Hajek

> researcher ORCID ID = 0000-0003-2389-9306

**Wikidata**: [Q57456238](https://www.wikidata.org/wiki/Q57456238)  
**Source**: https://4ort.xyz/entity/petr-hajek-q57456238


## References

1. Czech National Authority Database
2. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0003-2389-9306/employment/1567709)
3. [IS VaVaI](https://api.isvavai.cz/)