# European Terrestrial Reference System 1989

> geodetic reference system

**Wikidata**: [Q1378197](https://www.wikidata.org/wiki/Q1378197)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/European_Terrestrial_Reference_System_1989)  
**Source**: https://4ort.xyz/entity/european-terrestrial-reference-system-1989


## References

1. Freebase Data Dumps. 2013