00272nam a2200121Ia 45000030006000000080041000060400015000471000017000622450033000792600009001125460012001210050017001330STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBaliga, K.R.  aModern chemical calculations  c1967  aEnglish20220125170239.0