Evans, David S. (David Sparks) 1954- Catalyst code : the strategies behind the world's most dynamic companies / David S. Evans and Richard Schmalensee. - Boston, Mass. : Harvard Business School Press, c2007. - 228 p. : ill. Includes bibliographical references and index ISBN: 9781422101995 Subjects--Topical Terms: Multi-sided platform businessesStrategic alliances (Business) LC Class. No.: HD 9999 .M78 / E926C