TY  - BOOK
AU  - Porter,Michael E.
TI  - Competitive strategy: techniques for analyzing industries and competitors 
SN  - 0684841487
U1  - 658 
PY  - 2004///
CY  - New York
PB  - Free Press
KW  - Competition
KW  - Industrial management
N1  - Originally published: New York : Free Press, c1980; Includes bibliographical reference and index
ER  -