=LDR  00000nam a2200000 i 4500
=245  \$aCompetitive advantage : creating and sustaining superior performance :  with a new introduction
=250  \$a
=260  \$aNew York : \$bTHE FREE PRESS,, \$c1985
=300  \$a
=490  \$a
=020  \$a9780684841465
=082  \$a658