00306nam a2200133Ia 45000030006000000080041000060400015000471000020000622450042000822500010001242600009001345460012001430050017001550STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aOblitas, M.M.L.  aLevel inorganic and organic chemistry  aFirst  c1976  aEnglish20220125170401.0