00281nam a2200121Ia 45000030006000000080041000060400015000471000015000622450031000772600022001085460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBeiser, A.  aConcepts of modern physics  bMcgraw hillc1973  aEnglish20220125170137.0