00289nam a2200133Ia 45000030006000000080041000060400015000471000016000622450033000782600009001113000006001205460012001260050017001380STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTheil Henri  aIntroduction to econometrics  c1981  a0  aEnglish20220125170029.0