00297nam a2200133Ia 45000030006000000080041000060400015000471000018000622450035000802500010001152600009001255460012001340050017001460STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChandra, A.K.  aIntroductory quantum chemistry  aThird  c1992  aEnglish20220125170232.0