00281nam a2200109Ia 4500008004100000082001500041100001200056245003700068250001300105260004300118300001000161240913s9999||||xx |||||||||||||| ||und||  a546  SON/T  aPL Soni 0aText book of inorganic chemistry  a20th Ed.  bSultan Chand and SonsaNew Delhic2003  a3-446