Macagno, Enzo O The first half century of hydraulic research at the University of Iowa/ Enzo O Macagno - Iowa City, Iowa : University of Iowa, 1971. - 186 Pages. 24 cm. - Iowa Institute of Hydraulic Research:; Bulletin . Includes index. In English. Pbk. Subjects--Topical Terms: hydraulics research Dewey Class. No.: 627.072 HYD 1971