00305nam a2200109Ia 4500008004100000022001800041040002500059082001600084100002600100245004300126260002600169240215s9999    xx            000 0 und d  a971-11-1067-9  aNORSU-DumcNORSU-Dum  aFil/330/Ec7  aCostales, Achilles C. 0aEconomics: Principles and Applications  bJMC Press, Inc.c2000