# Klaus Appel
**Wikidata**: [Q112500837](https://www.wikidata.org/wiki/Q112500837)  
**Source**: https://4ort.xyz/entity/klaus-appel


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)