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
eng.
9241700300
Air pollutants--analysis.
Sulfur dioxide--analysis.
Environmental monitoring.
WA 754