00289nam a2200133Ia 45000030006000000080041000060400015000471000017000622450017000792500010000962600020001065460012001260050017001380STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRyan, W.J.L.  aPrice theory  aFirst  bMacmillanc1965  aEnglish20220125165608.0