000 00365nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e207874
_aMAIN
041 _aEnglish
082 _a382.1042 P834O
100 _aPorter, Michael E
245 0 _aOn competition
260 _aBoston
_bHarvard Business School Press
_c1996
300 _avi, 485 p.
942 _cBK
999 _c134659
_d134659