000 00425nam a2200145Ia 4500
999 _c223343
_d223343
008 140117s9999 xx 000 0 und d
020 _a0684841487
082 _a658
_bPOR
100 _aPorter Michael E.
245 _aCompetitive strategy :
_btechniques for analyzing industries and competitors
260 _bThe Free Press
_aNew York
_c1998
300 _axxviii, 396 p.
650 _aGeneral management
942 _2ddc
_cB