| 000 | 00361nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220408s1998 xx 000 0 und d | ||
| 020 | _a0684841460 | ||
| 041 | _aeng | ||
| 082 |
_a658 _bPOR |
||
| 100 |
_aPorter, Michael E. _9491791 |
||
| 245 |
_aCompetitive Advantage _b Containing and Sustaining Superior Performance |
||
| 260 |
_aNew York _b The Free Press _c1998 |
||
| 999 |
_c353970 _d353970 |
||