00305nam a2200133Ia 45000030006000000080041000060400015000471000025000622450023000872500010001102600022001205460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGujarati Damodar, N.  aBasic econometrics  aThird  bMcgraw hillc1995  aEnglish20220125170056.0