# Widar Halén

> researcher

**Wikidata**: [Q113677703](https://www.wikidata.org/wiki/Q113677703)  
**Source**: https://4ort.xyz/entity/widar-hal-n


## References

1. Czech National Authority Database
2. datos.bne.es
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File
5. CONOR.SI