# ZSU-23-4 Shilka

> 1960s self-propelled quad 23 mm anti-aircraft gun system

**Wikidata**: [Q136457](https://www.wikidata.org/wiki/Q136457)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/ZSU-23-4_Shilka)  
**Source**: https://4ort.xyz/entity/zsu-23-4-shilka


## References

1. The World's Armies
2. Q106075595
3. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
4. Freebase Data Dumps. 2013
5. National Library of Israel
6. KBpedia