00273nam a2200109Ia 4500008004100000022002100041040002500062082001700087100002300104245001400127260002200141240214s9999    xx            000 0 und d  a978-007-126383-2  aNORSU-DumcNORSU-Dum  a330/Sa4/2010  aSamuelson, Paul A. 0aEconomics  bMcGraw Hillc2010