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