Hennes, Robert G. Fundamentals of transportation engineering / Robert G. Hennes and Martin Ingvald Ekse. - New York : McGraw-hill book company, c 1955. - xvi, 520 p. : ill. ; 25 cm. Includes index. 340 340 Subjects--Topical Terms: Transportation engineering.Civil engineering. Dewey Class. No.: 625 / H392f