00309nam a2200133Ia 45000030006000000080041000060400015000471000027000622450038000892500010001272600009001375460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSankaranarayanan,P Ed.  aText book of pre university Logic  aFirst  c1956  aEnglish20220125165325.0