000 00318nam a2200133Ia 4500
008 221231s9999 xx 000 0 und d
100 _aPortar, Michael  E
_91435
245 0 _aCompetitive Advantage
260 _bFree Press
260 _c2004
300 _a557
650 _aExecutive Management
_91436
942 _cMBA_BK
999 _c714
_d714