00334nam a2200133Ia 45000030006000000080041000060400015000471000016000622450050000782500010001282600033001385460012001710050017001830STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHicks, J.R.  aContribution to the theory of the trade cycle  aFirst  bOxford Clarendon pressc1950  aEnglish20220125165701.0