000 | 00361nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 220408s1998 xx 000 0 und d | ||
020 | _a0684841460 | ||
041 | _aeng | ||
082 |
_a658 _bPOR |
||
100 |
_aPorter, Michael E. _9491789 |
||
245 |
_aCompetitive Advantage _b Containing and Sustaining Superior Performance |
||
260 |
_aNew York _b The Free Press _c1998 |
||
999 |
_c353968 _d353968 |