00305nam a2200121Ia 4500008004100000100001700041245002800058260004300086300000800129650002400137942000700161999001500168190216s9999||||xx |||||||||||||| ||und||  aAnilkumar De 0aEnvirinmental Chemistry  bNew Age International Publishersc2003  a406  aChemistry-Chemistry  cBK  c3146d3146