00345nam a2200145Ia 45000030006000000080041000060400015000471000016000622450037000782500007001152600042001223000006001645460012001700050017001820STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSingh, S.P.  aAdvanced Practical Physics Vol.2  a14  bPragati Pakashan;Meerutc2004aMeerut  a0  aEnglish20220125170116.0