# Dittmar Graf

> German biologist and university teacher

**Wikidata**: [Q19959638](https://www.wikidata.org/wiki/Q19959638)  
**Source**: https://4ort.xyz/entity/dittmar-graf


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb16638094r)
2. Integrated Authority File
3. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
4. Virtual International Authority File