00314nam a2200133Ia 45000030006000000080041000060400015000471000017000622450053000792500010001322600009001425460012001510050017001630STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aThomas, A.O.  aUniversity model Q and A chemistry for IInd year  aSixth  c1993  aEnglish20220125170226.0