00314nam a2200121Ia 45000030006000000080041000060400015000471000024000622450047000862600030001335460012001630050017001750STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWilliam Kovisto, A.  aPrinciples and problem of modern economics  bJohn Wiley and Sonsc1957  aEnglish20220125165611.0