# Wien approximation

> physical law approximating the spectrum of thermal radiation

**Wikidata**: [Q1667940](https://www.wikidata.org/wiki/Q1667940)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Wien_approximation)  
**Source**: https://4ort.xyz/entity/wien-approximation


## References

1. Freebase Data Dumps. 2013
2. International Electrotechnical Vocabulary