# Kōstas Th. Kalphopoulos
**Wikidata**: [Q105660156](https://www.wikidata.org/wiki/Q105660156)  
**Source**: https://4ort.xyz/entity/k-stas-th-kalphopoulos


## References

1. Integrated Authority File
2. IdRef
3. Virtual International Authority File
4. [Source](https://opac.bg.cobiss.net/opac7/conor/44506469)