# caesium-137

> isotope of caesium

**Wikidata**: [Q1154826](https://www.wikidata.org/wiki/Q1154826)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Caesium-137)  
**Source**: https://4ort.xyz/entity/caesium-137


## References

1. Freebase Data Dumps. 2013
2. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?z=55&n=82)
3. [NuDat](http://www.nndc.bnl.gov/nudat2/reCenter.jsp?n=82&z=55)
4. [The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures](http://amdc.in2p3.fr/masstables/Ame2016/mass16.txt)
5. BabelNet