00333nam a2200133Ia 4500008004100000020001800041082001200059082001000071100002200081245004600103260001000149260003100159260000900190230118s9999||||xx |||||||||||||| ||und||  a81-7493-745-5  a540.151  bBHA/G  ap.kbbhattacharya 0agroup theory and application to chemistry  adelhi  bhimalaya publishing house   c1986