TY - BOOK ED - WHO Collaborating Centre on Environmental Pollution Control. ED - Global Environment Monitoring System. ED - World Health Organization. TI - Air quality in selected urban areas, 1979-1980 SN - 9241700769 PY - 1983/// CY - Geneva PB - World Health Organization KW - Air pollutants KW - analysis KW - Sulfur dioxide KW - Smoke UR - http://apps.who.int/iris/ ER -