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003 OSt
005 20161130180515.0
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020 _a0-7432-6088-0
040 _cDBIMR
041 _aENG
082 _a658
_bPOR/COM
100 _aPorter,Michael E.
245 _aCompetitive strategy
245 _btechnique for analyzing industries and competitors
260 _aNew York
260 _bThe Free Press
260 _c1980
300 _a396
942 _cBK
_2ddc
999 _c3985
_d3985