00303nam a2200121Ia 45000030006000000080041000060400015000471000044000622450037001062600009001435460012001520050017001640STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVenkitachalam Iyer, A.; Kunjan Raja, K.  aText book of practical chemistry  c1964  aEnglish20220125170245.0