00330nam a2200133Ia 45000030006000000080041000060400015000471000021000622450040000832500011001232600033001345460012001670050017001790STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAlvin Hansen, H.  aBusiness cycles and national income  aSecond  bGeorge Allen and Unwinc1968  aEnglish20220125165652.0