# Zdeněk Šumník

> researcher

**Wikidata**: [Q57030287](https://www.wikidata.org/wiki/Q57030287)  
**Source**: https://4ort.xyz/entity/zden-k-umn-k


## References

1. Czech National Authority Database
2. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
3. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0255122-sumnik-Zdenek-1970)