# Robertus Erdélyi

> researcher

**Wikidata**: [Q75555453](https://www.wikidata.org/wiki/Q75555453)  
**Source**: https://4ort.xyz/entity/robertus-erd-lyi


## References

1. Virtual International Authority File
2. BnF authorities
3. data.bibliotheken.nl
4. Astronomy Genealogy Project
5. CiNii Research
6. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-3439-4127/external-identifiers/1557070)
7. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0003-3439-4127/external-identifiers/511660)
8. National Library of Israel Names and Subjects Authority File