00265nam a2200121Ia 45000030006000000080041000060400015000471000018000622450025000802600009001055460012001140050017001260STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWelch, A.J.E.  aQuatitative analysis  c1943  aEnglish20220125170248.0