TY  - BOOK
AU  - Porter, Michael E.,
TI  - Competitive Strategy: Techniques For Analyzing Industries and  Competitors
SN  - 0743260880
AV  - HD41  .P67
PY  - 1998///
CY  - New York
PB  - Free Press
KW  - Competition. Industrial management
N1  - Includes index  .Bibliography: p. 383-387
ER  -