# Klaus Puhl
**Wikidata**: [Q99670373](https://www.wikidata.org/wiki/Q99670373)  
**Source**: https://4ort.xyz/entity/klaus-puhl


## References

1. NUKAT
2. Virtual International Authority File
3. CiNii Research
4. zbMATH Open Database
5. GEPRIS
6. Catalogo of the National Library of India