00309nam a2200133Ia 45000030006000000080041000060400015000471000026000622450028000882500010001162600020001265460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMichael Gruneberg, M.  aIndustrial productivity  aFirst  bMacmillanc1982  aEnglish20220125165635.0