00341nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001900084245004400103260003500147300000800182650001700190221030s9999    xx            000 0 und d  a0029462673  aEnglish  a105.23bPet  aH. C. Petersen 0aManagerial Economicscby H. C. Petersen  bMcMillan Pub.aNew Delhic1998  a720  aBE Economics