# Andrzej Kowalczyk

> Polish hydrogeologist

**Wikidata**: [Q22344299](https://www.wikidata.org/wiki/Q22344299)  
**Source**: https://4ort.xyz/entity/andrzej-kowalczyk-q22344299


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb15661551n)
2. Virtual International Authority File
3. Polish Science
4. National Library of Israel Names and Subjects Authority File