Christensen, Clayton M. The innovator's dilemma : when new technologies cause great firms to fail / Clayton M. Christensen. - Boston, Mass. : Harvard Business School Press, c1997. - xxiv, 252 p. : ill. ; 24 cm. ISBN: 0875845851 (alk. paper) LCCN: 96010894 LC Class. No.: HD53 .C49 1997 / .C49 1997 Dewey Class. No.: 658