Wegmann, E. (1905). The design and constructions of dams: : including masonry, earth, rock-fill and timber structures also the principal types of movable dams (4ª ed. rev.). New York: John Willy and Sons.
Cita MLA (8 ed.) (Copiar al portapapeles)Wegmann, Edward. The Design and Constructions of Dams: : Including Masonry, Earth, Rock-fill and Timber Structures Also the Principal Types of Movable Dams. 4ª ed. rev. New York: John Willy and Sons , 1905.