000 00489nam a2200145Ia 4500
008 230208s1980 xx 000 0 und d
020 _a684841487
041 _aeng
100 _aPorter, Michael E.
245 _aCompetitive strategy: Techniques for analysing industries and copetiters
260 _bThe Free Press
_c1980
300 _a422
650 _aCommerce
856 _uhttp://192.168.3.1/ebooks/link/ebook/Commerce/Competitive strategy by Michael E Porter.pdf
999 _c16505
_d16505