# Józef Witkowski

> Polish physicist

**Wikidata**: [Q11731623](https://www.wikidata.org/wiki/Q11731623)  
**Source**: https://4ort.xyz/entity/j-zef-witkowski


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Czech National Authority Database
4. Virtual International Authority File
5. [Source](http://czlonkowie.pan.pl/czlonkowie/sites/WynikiWyszukiwania.html?s=WITKOWSKI,%20J%C3%B3zef%20)
6. Sejm-Wielki.pl