# Q138508508
**Wikidata**: [Q138508508](https://www.wikidata.org/wiki/Q138508508)  
**Source**: https://4ort.xyz/entity/q138508508


## References

1. Polish Science
2. Electronic Union Catalogue of Latvian Libraries of National Significance
3. Virtual International Authority File
4. Prabook
5. CONOR.SI