# Hannu Karttunen

> Finnish astronomer

**Wikidata**: [Q11861395](https://www.wikidata.org/wiki/Q11861395)  
**Source**: https://4ort.xyz/entity/hannu-karttunen


## References

1. Integrated Authority File
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. CiNii Research
4. Virtual International Authority File
5. [LIBRIS](http://libris.kb.se/1zcfh1qk4208krc)
6. National Library of Israel Names and Subjects Authority File