00263nam a2200121Ia 45000030006000000080041000060400015000471000014000622450027000762600009001035460012001120050017001240STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRay, M.D.  aDynamics of a particle  c1963  aEnglish20220125170023.0