# Helmut Kopka

> German physicist and author (1932-2009)

**Wikidata**: [Q1603790](https://www.wikidata.org/wiki/Q1603790)  
**Source**: https://4ort.xyz/entity/helmut-kopka


## References

1. Integrated Authority File
2. Virtual International Authority File
3. IdRef
4. National Library of Israel Names and Subjects Authority File