00317nam a2200121Ia 45000030006000000080041000060400015000471000044000622450051001062600009001575460012001660050017001780STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJames Henderson, M.; Richard Quandt, E.  aMicro economics theory a mathematical approach  c1958  aEnglish20220125165602.0