00331nam a2200133Ia 45000030006000000080041000060400015000471000014000622450059000762500011001352600022001465460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSoddy, F.  aInterpretation of radium and the structure of the atom  aFourth  bJohn Murrayc1920  aEnglish20220125170305.0