# Claus Kiefer

> German physicist

**Wikidata**: [Q1098609](https://www.wikidata.org/wiki/Q1098609)  
**Source**: https://4ort.xyz/entity/claus-kiefer


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. International Standard Name Identifier
5. Virtual International Authority File
6. CiNii Research
7. CONOR.SI
8. Library of Congress Control Number
9. National Library of Israel Names and Subjects Authority File