# Martin Sivek

> Czechoslovak geologist

**Wikidata**: [Q95373255](https://www.wikidata.org/wiki/Q95373255)  
**Source**: https://4ort.xyz/entity/martin-sivek


## References

1. Czech National Authority Database
2. [Records of persons of interest](http://svazky.cz/test/svazkyMT.php?jmeno=Martin&prijm=Sivek&dnar=29.10.1948&hledej=Hledat)
3. Virtual International Authority File
4. [Source](http://svazky.cz/test/svazkyMT.php?jmeno=Martin&prijm=Sivek&dnar=29.10.1948&hledej=Hledat)
5. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0231595-Sivek-Martin-1948)