00293nam a2200121Ia 45000030006000000080041000060400015000471000015000622450043000772600022001205460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBeiser, A.  aTheory and problems of applied physics  bMcgraw hillc1976  aEnglish20220125170107.0