00354nam a2200133Ia 450000500170000000800410001702000220005805000230008010000220010324500430012525000120016826000260018065000140020620251229171935.0251229s9999    xx            000 0 und d  a978-81-7758-386-1  aHD 30.22 .P48 2006  aPetersen, Craig H 0aManagerial economicscCraig H Petersen  a4th ed.  aIndiab Pearsonc2006  aEconomics