Will the circle be unbroken: a history of the U.S. National Ambient Air Quality Standards
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| Description | article |
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author: John George Watson Judith C Chow George M. Hidy Janice E. Nolen Howard Feldman |
| Publication date | October 2007 |
| Language | English |
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| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |