00294nam a2200121Ia 45000030006000000080041000060400015000471000018000622450043000802600020001235460012001430050017001550STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLorentz, H.A.  aLectures on theoretical physics vol II  bMacmillanc1927  aEnglish20220125170110.0