TY  - BOOK
AU  - Porter, Michael E. 
TI  - Competitive strategy : : techniques for analyzing industries and competitors/ 
SN  - 	978-0684-84148-9
U1  - Circ. 658 P844c 1980 
PY  - 1980///
CY  - 	New York : 
PB  - Free Press
KW  - 1. Competition
KW  - 2. Industrial management
N1  - Includes bibliographical references and index
ER  -