TY  - BOOK
AU  - Porter,Michael E.
TI  - Competitive strategy: techniques for analyzing industries and competitors 
SN  - 9780743260880 
U1  - 658.4012 22
PY  - 2004///
CY  - New York, London
PB  - Free
KW  - Strategic planning
KW  - Competition
N1  - Originally published: 1980; Includes bibliographical references and index
ER  -