00362nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001600079245005200095250000800147260003900155300000800194650001400202221030s9999    xx            000 0 und d  a8173196923  aEnglish  a105.23  aG. S. Sodhi 0afundamental concepts of Environmental Chemistry  a2nd  bNarosa Pub. HouseaNew Delhic2006  a537  aChemistry