00331nam a2200133Ia 45000030006000000080041000060400015000471000037000622450025000992500010001242600034001345460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDonald Hay, A.; Derek Morris, J.  aIndustrial economics  aFirst  bOxford University pressc1984  aEnglish20220125165637.0