TY  - BOOK
AU  - Aaker, David A
TI  - Brand portfolio strategy : creating relevance, differentiation, energy, leverage, and clarity
SN  - 9780743249386
U1  - 658.827 AAK 
PY  - 2004///
CY  - New York
PB  - Free Press
KW  - Brand name products - Management
ER  -