00307nam a2200133Ia 45000030006000000080041000060400015000471000016000622450030000782500010001082600026001185460012001440050017001560STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHicks, J.R.  aRevision of demand theory  aFirst  bClarendon pressc1959  aEnglish20220125165610.0