May, Matthew E. The elegant solution : Toyota's formula for mastering innovation / Matthew E. May ; foreword by Kevin Roberts. - New York : Free Press, c2007. - xv, 236 p. : port. ; 24 cm. ISBN: 0743290178 9780743290173 9780743290173 LCCN: 2006048411 LC Class. No.: HD9710.J34 .T63655 2007 / T63655 2007 Dewey Class. No.: 658.4/063