00317nam a2200133Ia 45000030006000000080041000060400015000471000022000622450051000842500010001352600009001455460012001540050017001660STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMichael Beenstock  aForeign exchangers theory modelling and policy  aFirst  c1978  aEnglish20220125165531.0