# photochemical smog
**Wikidata**: [Q2529901](https://www.wikidata.org/wiki/Q2529901)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Photochemical_smog)  
**Source**: https://4ort.xyz/entity/photochemical-smog


## References

1. National Library of Israel Names and Subjects Authority File