000 00515nam a2200169Ia 4500
008 100324s9999 xx 000 0 und d
020 _a0-684-84148-7
100 _aPorter, Michael E
245 _aCompetitive strategy: techniques for analyzing industries and competitors
250 _a1998
260 _c1998
_bFree Press
_aNew York
300 _axxviii, 396p.
366 _b1998
541 _gB2063679 dt 23/08/2002
650 _aStrategic Management
942 _cBK
999 _c85372
_d85372