Ketchum, Milo S 1872-1934. Structural engineers' handbook; data for the design and construction of steel bridges and buildings, / by Milo S. Ketchum... - 2nd. ed. - New York, McGraw-Hill, 1918. - xv, 599 (i.e. 631), 281, 883-896 p. illus., diagrs. 24 cm. Subjects--Topical Terms: PUENTES METALICASESTRUCTURAS MARITIMAS Universal Decimal Class. No.: 624.2/.8