URI(s)
- http://id.loc.gov/authorities/subjects/sh85002687
- http://id.loc.gov/authorities/sh85002687#concept
Variants
- Air pollution indexes
Broader Terms
Closely Matching Concepts from Other Schemes
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1993-02-18: revised
Alternate Formats