# Alvydas Butkus
**Wikidata**: [Q12648157](https://www.wikidata.org/wiki/Q12648157)  
**Source**: https://4ort.xyz/entity/alvydas-butkus


## References

1. IdRef
2. Virtual International Authority File
3. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0268944-Butkus-Alvydas-1950)