000 005210000a22001690004500
008 210422t1980 ||||| |||| 00| eng d
020 _a0029253608
041 _aeng
080 _a658.5
_bP6
100 _aPorter, Michael E.
245 _aCompetitive strategy :
_btechniques for analyzing industries and competitors
260 _aNew York
_bFree Press
_c1980
300 _axx, 396p. : ill.,
_bbibliography & index included
650 _aINDUSTRIAL MANAGEMENT
_995
650 _aCOMPETITION
_917010
942 _cBK
999 _c68925
_d68925