000 00290nam a2200121Ia 4500
100 _aPorter, Michael E
020 _a0-02-925361-6
942 _cBK
245 _aThe Competitive advantage of nations
260 _aThe Free Press, New York
_c1990
082 _a382.1042 Por
300 _axx,855
999 _c30919
_d30919