# Jan Popelka

> researcher

**Wikidata**: [Q43334281](https://www.wikidata.org/wiki/Q43334281)  
**Source**: https://4ort.xyz/entity/jan-popelka-q43334281


## References

1. Czech National Authority Database
2. [IS VaVaI](https://api.isvavai.cz/)
3. Virtual International Authority File
4. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-1489-9016/external-identifiers/666912)
5. Source