# didymium

> chemical compound

**Wikidata**: [Q428912](https://www.wikidata.org/wiki/Q428912)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Didymium)  
**Source**: https://4ort.xyz/entity/didymium


## References

1. Brockhaus and Efron Encyclopedic Dictionary
2. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
3. Small Brockhaus and Efron Encyclopedic Dictionary
4. Freebase Data Dumps. 2013
5. National Library of Israel Names and Subjects Authority File