TY  - BOOK
AU  - Porter,Michael E  .
TI  - Competative strategy: techniques for analyzing industries and competitors / 
SN  - 9780743260886
U1  - 658 
PY  - 2004///
CY  - New York : 
PB  - Free Press , 
KW  - Competative Strategy
KW  - Competition
KW  - Industrial management
ER  -