00305nam a2200121Ia 4500008004100000020001800041082001200059082001000071100002100081245004200102260001300144260002600157230118s9999||||xx |||||||||||||| ||und||  a0-85226-079-2  a540.151  bCOT/C  af.albertbcotton 0achemical applications of group theory  anewdelhi  bwiley eastern limited