# Janusz Kostecki
**Wikidata**: [Q112530403](https://www.wikidata.org/wiki/Q112530403)  
**Source**: https://4ort.xyz/entity/janusz-kostecki


## References

1. Czech National Authority Database
2. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0003-4077-5794/employment/18525387)
3. Virtual International Authority File
4. Polish Science