00317nam a2200121Ia 4500008004100000100003600041245004200077260002100119300000900140650002400149942000700173999001500180190216s9999||||xx |||||||||||||| ||und||  aTripathy S N &sunakar Panda 0aFundamentals Of Environmental Studies  bVrinda Pubc2001  a251p  aChemistry-Chemistry  cBK  c3039d3039