# Petra Sierwald

> arachnologist

**Wikidata**: [Q21341871](https://www.wikidata.org/wiki/Q21341871)  
**Source**: https://4ort.xyz/entity/petra-sierwald


## References

1. Czech National Authority Database
2. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0003-2592-1298/employment/6691038)
3. Virtual International Authority File
4. CONOR.SI