00294nam a2200097Ia 4500008004100000082001700041100002300058245003300081260002700114650005500141211119s9999||||xx |||||||||||||| ||und||  a338.5bSAL-P  aSalvatore, Dominic 0aPrinciples of Microeconomics  bOxforda2009cNew York  aSocial SciencevProductionEconomicsxGeneral Stack