00293nam a2200133Ia 45000030006000000080041000060400015000471000018000622450031000802500010001112600009001215460012001300050017001420STCL150530s9999 xx 000 0 und d aSTCLcSTCL aBeiser Arthur aConcepts of modern physics aFifth c1999 aEnglish20220125170217.0