# luminous efficiency
**Wikidata**: [Q83293942](https://www.wikidata.org/wiki/Q83293942)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Luminous_efficiency)  
**Source**: https://4ort.xyz/entity/luminous-efficiency


## References

1. [Source](http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-01-57)
2. ISO 80000-7:2019 Quantities and units — Part 7: Light and radiation