# Vladimír Havlena
**Wikidata**: [Q95084861](https://www.wikidata.org/wiki/Q95084861)  
**Source**: https://4ort.xyz/entity/vladim-r-havlena


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [IS VaVaI](https://api.isvavai.cz/)
4. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-p0083843-Havlena-Vladimir-1958)