000 00400nam a2200133Ia 4500
008 170101s2017 xx 000 0 und d
082 _a658 POR
100 _aPorter, Michael E.
245 0 _aCompetitive strategy: techniques for analyzing industries and competitors: with a new introduction
260 _aNew York
_bThe Free Press
300 _axxviii, 396 p.
650 _aNULL
942 _2ddc
_cBK
_07
999 _c1077
_d1077