# Ralf Siebenmorgen

> researcher

**Wikidata**: [Q114423197](https://www.wikidata.org/wiki/Q114423197)  
**Source**: https://4ort.xyz/entity/ralf-siebenmorgen


## References

1. BnF authorities
2. Virtual International Authority File
3. CiNii Research
4. International Standard Name Identifier