000 00289nam a2200109Ia 4500
008 160523s9999 xx 000 0 und d
020 _a0-02-925410-8
100 _aPorter, M. E.
245 _aCases in Competitive Strategy
260 _aNew York
_bThe Free Press
_c1983
300 _axvii, 541p.
999 _c30137
_d30137