00291nam a2200121Ia 45000030006000000080041000060400015000471000031000622450038000932600009001315460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMarkham, E.C.; Smith, S.E.  aGeneral chemistry problems form a  c1943  aEnglish20220125170238.0