Petroski, Henry. Invention by design : how engineers get from thought to thing / Henry Petroski. - Cambridge, Mass. : Harvard University Press, 1996. - viii, 242 p. : ill., map ; 24 cm. Includes bibliographical references (p. 217-228) and index. ISBN: 0674463676 LCCN: 96019227 Subjects--Topical Terms: Engineering design--Social aspects.Engineering design--Political aspects.Engineering design--Case studies. LC Class. No.: TA174 / .P44 1996 Dewey Class. No.: 620/.0042