00261nam a2200121Ia 45000030006000000080041000060400015000471000015000622450024000772600009001015460012001100050017001220STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBell, R.P.  aAcid base catalysis  c1949  aEnglish20220125170237.0