00358nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001300079245004100092250000800133260004900141300000800190650001400198221030s9999    xx            000 0 und d  a8122426175  aEnglish  a105.23  aA. K. De 0aEnviornmental Chemistrycby A. K. De  a7th  bNew  Age International Pub.aNew Delhic2010  a366  aChemistry