00309nam a2200133Ia 45000030006000000080041000060400015000471000018000622450038000802600022001183000006001405460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGoldberg,D.E.  a3000 solved problems in chemistry  bMcgraw hillc2009  a0  aEnglish20220125170225.0