TY - BOOK AU - Porter, Michael P. TI - Competitive advantage SN - 0029250900 U1 - 658 PY - 1985/// CY - New York: PB - The Free Press KW - achieving interrelationships KW - advantage KW - competitive strategy KW - competitors selection KW - complementary products KW - corporate strategy KW - cost advantage KW - defensive strategy KW - differentiation KW - horizontal strategy KW - industry segmentation KW - strategy under uncertainty KW - substitution KW - technology and competitive advantage ER -