# Klaus Hager
**Wikidata**: [Q28498496](https://www.wikidata.org/wiki/Q28498496)  
**Source**: https://4ort.xyz/entity/klaus-hager-q28498496


## References

1. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-4497-3878/external-identifiers/290281)
2. Virtual International Authority File