00297nam a2200121Ia 45000030006000000080041000060400015000471000020000622450031000822600033001135460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVan Dulin, J.J.  aLong wave in economic life  bGeorge Allen and Unwinc1983  aEnglish20220125165657.0