00313nam a2200109Ia 4500008004100000082002000041100002700061245005500088250000900143260004300152300000800195240913s9999||||xx |||||||||||||| ||und|| a363.7394 KHA/L aDR Khanna & R Bhutiani 0aLaboratory Manual of Water and Wastewater Analysis aNULL bDaya Publishing HouseaNew Delhic2008 a189