00274nam a2200121Ia 45000030006000000080041000060400015000471000016000622450027000782600018001055460012001230050017001350STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aArora, C.L.  aModern physics part VI  bS.Chandc1979  aEnglish20220125170104.0