# Maciej Pietrzyk

> Polish researcher

**Wikidata**: [Q62067076](https://www.wikidata.org/wiki/Q62067076)  
**Source**: https://4ort.xyz/entity/maciej-pietrzyk


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Polish Science
4. [Source](https://nauka-polska.pl/#/profile/research?id=225607)
5. [Source](https://nauka-polska.pl/#/profile/research?id=209966)
6. [Source](https://nauka-polska.pl/#/profile/research?id=89499)
7. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
8. VIAF ID
9. IdRef
10. MAK
11. Virtual International Authority File
12. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-1473-4625/external-identifiers/725331)