00267nam a2200121Ia 45000030006000000080041000060400015000471000018000622450017000802600019000975460012001160050017001280STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMadhala, G.S.  aEconometrics  bMcgraw hillc0  aEnglish20220125170048.0