00310nam a2200121Ia 45000030006000000080041000060400015000471000038000622450050001002600009001505460012001590050017001710STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLaubengayer, A.W.; Scaife, C.W.F.  aExperiments and problems in general chemistry  c1972  aEnglish20220125170227.0