# Hannu Marttila

> researcher

**Wikidata**: [Q47401007](https://www.wikidata.org/wiki/Q47401007)  
**Source**: https://4ort.xyz/entity/hannu-marttila-q47401007


## References

1. [Source](https://orcid.org/0000-0002-9744-2483)
2. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-9744-2483/researcher-urls/1318804)