000 00414cam a22001337a 4500
008 180718b1980 xxu||||| |||| 00| 0 eng d
082 _aT121 P834
100 _aPorter, Michael E.
245 _aCompetitive strategy: techniques for analyzying industries and competitors
_cby Michael E. Porter
260 _aNew York
_bFree Press
_c1980
300 _a396p.
650 _aIndustrial management
650 _aCompetition
999 _c387469
_d387469