# Abegg's rule
**Wikidata**: [Q3108338](https://www.wikidata.org/wiki/Q3108338)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Abegg's_rule)  
**Source**: https://4ort.xyz/entity/abegg-s-rule


## References

1. Freebase Data Dumps. 2013