Zook, Chris, 1951- Beyond the core : Expand your market without abandoning your roots / Chris Zook. - Boston : Harvard Business School Pub., c2004. - xv, 214 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9781578519514 LCCN: 2003013374 Subjects--Topical Terms: Corporations--Growth.Strategic planning.Corporate profits.Industrial management. Dewey Class. No.: 658.406 / ZOO