# January Słupik

> Polish geographer

**Wikidata**: [Q102336678](https://www.wikidata.org/wiki/Q102336678)  
**Source**: https://4ort.xyz/entity/january-s-upik


## References

1. Sejm-Wielki.pl
2. Czech National Authority Database
3. Virtual International Authority File
4. CiNii Research
5. MAK