TY - BOOK AU - Aaker,David A. TI - Brand portfolio strategy: creating relevance, differentiation, energy, leverage, and clarity SN - 9780743249386 : AV - HD69.B7 .A2154 2004 PY - 2004/// CY - New York, NY PB - Free Press KW - Brand name products KW - Planning KW - Marketing KW - Management KW - Valuation N1 - Includes bibliographical references (p. [323]-327) and index ER -