00299nam a2200133Ia 45000030006000000080041000060400015000471000018000622450036000802500011001162600009001275460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDirac, P.A.M.  aPrinciples of quantum mechanics  aFourth  c1985  aEnglish20220125170134.0