00325nam a2200133Ia 45000030006000000080041000060400015000471000018000622450051000802500011001312600020001425460012001620050017001740STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAllen, R.G.D.  aMacro economic theory a mathematical treatment  aSecond  bMacmillanc1968  aEnglish20220125165651.0