Leonard-Barton, Dorothy. Wellsprings of knowledge : building and sustaining the sources of innovation / Dorothy Leonard-Barton. - Boston, Mass. : Harvard Business School Press, c1995. - xv, 334 p. : ill. ; 24 cm. ISBN: 0875846122 (alk. paper) LCCN: 95014582 LC Class. No.: HD30.2 .L46 1995 / .L46 1995 Dewey Class. No.: 658.4/038