TY  - BOOK
AU  - Montgomery,Cynthia A.
AU  - Porter,Michael E.
TI  - Strategy: seeking and securing competitive advantage 
SN  - 0875842437 (hardcover : alk. paper) 
PY  - 1991///
CY  - Boston
PB  - [Harvard Business School Press]
KW  - Strategic planning
N1  - Includes index; Includes bibliographical references
ER  -