# John van Opstal

> researcher

**Wikidata**: [Q42809664](https://www.wikidata.org/wiki/Q42809664)  
**Source**: https://4ort.xyz/entity/john-van-opstal


## References

1. [Source](https://orcid.org/0000-0001-5957-5712)
2. [Source](https://zoek.officielebekendmakingen.nl/stcrt-2020-24096.html)
3. Virtual International Authority File
4. [Source](https://data.dnb.de/opendata/authorities-gnd-person_lds.rdf.gz)
5. [Source](https://www.ae-info.org/ae/User/Van_Opstal_John)
6. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0001-5957-5712/researcher-urls/883994)