# Ivan Krupka

> researcher

**Wikidata**: [Q63872733](https://www.wikidata.org/wiki/Q63872733)  
**Source**: https://4ort.xyz/entity/ivan-krupka


## References

1. Czech National Authority Database
2. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-9936-7480/employment/12449328)
3. [IS VaVaI](https://api.isvavai.cz/)
4. Virtual International Authority File