00283nam a2200133Ia 45000030006000000080041000060400015000471000018000622450025000802600009001053000006001145460012001200050017001320STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHirschey Mark  aManagerial Economics  c2009  a0  aEnglish20220125170552.0