00297nam a2200121Ia 45000030006000000080041000060400015000471000020000622450042000822600022001245460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChowdhury, R.C.  aPrinciples of industrial organization  bKitab Mahalc1959  aEnglish20220125165634.0