Buhl, Harold R. Creative engineering design / Harold R. Buhl. - Ames : The Iowa State University Press, c1960. - 195p. : ill. ; 24 cm. Includes index. Includes bibliography (p. 191-192). english LCCN: 60012687 Subjects--Topical Terms: Engineering design. LC Class. No.: TA153 / .B8 Dewey Class. No.: 620/BUC