00314nam a2200133Ia 4500008004100000082001200041082001000053100002100063100001800084245003600102260001100138260002200149260000900171230118s9999||||xx |||||||||||||| ||und||  a541.076  bAGA/N  adr.s.kbagarwala  bdr. keemtilal 0anumerical problems in chemistry  ameerut  bpragati prakashan  c1991