00293nam a2200121Ia 45000030006000000080041000060400015000471000018000622450053000802600009001335460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSimon Kuznets  aModern economic growth rate structure and spread  c1972  aEnglish20220125165620.0