00303nam a2200133Ia 45000030006000000080041000060400015000471000017000622450042000792500010001212600009001315460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTaylor, F.S.  aSimple research problems in chemistry  aFirst  c1929  aEnglish20220125170303.0