Air quality in selected urban areas, 1973-1974 /

Air quality in selected urban areas, 1973-1974 / prepared in cooperation with the WHO Collaborating Centre on Environmental Pollution Control, U.S. Environmental Protection Agency, Washington, DC, USA. - Geneva : World Health Organization, 1976. - 65 p. - WHO offset publication ; no. 30 .


eng.

9241700300


Air pollutants--analysis.
Sulfur dioxide--analysis.
Environmental monitoring.

WA 754
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