00305nam a2200121Ia 45000030006000000080041000060400015000471000028000622450042000902600022001325460012001540050017001660STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGautrean, R.; Savin, W.  aTheory and problems of Modern Physics  bMcgraw hillc1978  aEnglish20220125170217.0