00289nam a2200133Ia 4500008004100000100002300041245002000064250001200084260001500096300000800111650001400119942000700133999001500140190216s9999||||xx |||||||||||||| ||und||  aGopalakrishnan. Ka 0aBasic Chemistry  a3rd Ed.  bNullc1990  a372  aChemistry  cBK  c2751d2751