00345nam a2200133Ia 4500008004100000100002100041245004700062250001200109260003600121300000800157650002400165942000700189999001500196190216s9999||||xx |||||||||||||| ||und||  aBhattacharya. Pk 0aGroup Theory And Its Chemical Applications  a1st Ed.  bHimalaya Publishing Housec1986  a205  aChemistry-Chemistry  cBK  c2697d2697