00000cam a22000004a 4500 UP-1685523046125357989 Buklod 20230503092606.0 m o j ta 071031s xx d r |||| u| 9289013583 (iLib)UPMNL-00000050372 CPH-13424 Php384.75 UP CPH rda eng lccopycat RA576.7.E85 A35 2000 QD 121 A57 2000 Air quality guidelines for Europe [text editing, Frank Theakston]. 2nd ed. Copenhagen World Health Organization, Regional Office for Europe c2000. 273 p. ill. 26 cm. WHO regional publications. pEuropean series no.91 Air Pollution Analysis Europe. Air quality management Europe. Environmental monitoring Europe. Air Pollutants analysis. Air Pollution. Environmental Monitoring. World Health Organization. Regional Office for Europe. UPMNL CPH QD121 A57 2000 Book