00448nam a2200181Ia 4500008004100000020001500041041000800056082001600064100002000080245003900100260004500139300000800184365001300192650001100205650001700216650001100233700002200244140306s9999    xx            000 0 und d  a0194424545  aeng  a330bLIP/IN  aChrystal K Alec  aIntroduction to positive economics  aPrenbELBS with Oxford universtityc1995  a919  bUKP.5.90  aDemand  adistribution  aSupply  aLipsey, Richard G