000 00382nam a2200157Ia 4500
008 220712s9999 xx 000 0 und d
082 _a658
082 _bPOR
100 _aPORTER, MICHAEL E.
245 0 _aCOMPETITIVE STRATEGY : TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS
260 _bFREE PRESS
260 _c2004
300 _a396
650 _aBPSM
942 _cBK
999 _c83934
_d83934