# Petr Cetkovský
**Wikidata**: [Q95090180](https://www.wikidata.org/wiki/Q95090180)  
**Source**: https://4ort.xyz/entity/petr-cetkovsk-


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Source](https://www.uhkt.cz/zamestnanci/cetkovsky)
4. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0211658-Cetkovsky-Petr-1959)