00309nam a2200121Ia 45000030006000000080041000060400015000471000020000622450056000822600020001385460012001580050017001700STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAbha Lerner, P.  aEconomic of control principles of welfare economics  bMacmillanc1944  aEnglish20220125165624.0