00301nam a2200133Ia 45000030006000000080041000060400015000471000016000622450028000782500014001062600018001205460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aArora, C.L.  aB.Sc. Practical Physics  aFifteenth  bS.Chandc1977  aEnglish20220125170217.0