00335nam a2200133Ia 4500008004100000020001800041041001200059082001900071100003800090245002500128250001200153260002500165300001100190231217s9999    xx            000 0 und d  a81-203-2060-3  aEnglish  a658.15  PET  R  aPetersen, Craig H. Lewis, Cris W. 0aManagerial economics  a4th ed.  c1999bPHIaNew Delhi  axx+672