00365nam a2200145Ia 4500008004100000020001500041041001200056082001500068100001300083245004100096250000800137260004900145300000800194650001700202221030s9999    xx            000 0 und d  a8122412475  aEnglish  a105.23bDe  aA. K. De 0aEnvironmental Chemistrycby A. K. De  a4th  bNew Age International  Pub.aNew Delhic2002  a392  aBB Chemistry