# Jerzy Józefczyk
**Wikidata**: [Q111031484](https://www.wikidata.org/wiki/Q111031484)  
**Source**: https://4ort.xyz/entity/jerzy-j-zefczyk


## References

1. [Source](https://nauka-polska.pl/#/profile/research?id=279658)
2. Virtual International Authority File
3. Polish Science
4. CONOR.SI