# Ryszard Zajączkowski

> 1961-

**Wikidata**: [Q73540521](https://www.wikidata.org/wiki/Q73540521)  
**Source**: https://4ort.xyz/entity/ryszard-zaj-czkowski


## References

1. BnF authorities
2. Czech National Authority Database
3. [Source](https://nauka-polska.pl/#/profile/research?id=75908)
4. Polish Science
5. [Source](https://nauka-polska.pl/#/profile/scientist?id=96469)