00333nam a2200133Ia 45000030006000000080041000060400015000471000042000622450047001042500010001512600009001615460012001700050017001820STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKrishna Iyer, K.R; Narayanan Poti, A.  aIntermediate course of practical chemistry  aFirst  c1935  aEnglish20220125170246.0