00278nam a2200121Ia 45000030006000000080041000060400015000471000018000622450038000802600009001185460012001270050017001390STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWelch, A.J.E.  aIntermediate qualitative analysis  c1943  aEnglish20220125170245.0