"Màquines hidràuliques." . . "Machines hydrauliques." . . "Technologie hydraulique." . . . . "Hydraulic engineering." . . "Energie hydraulique." . . "Hydraulique Ingénierie." . . . "Water power engineering; the theory, investigation and development of water powers" . "Water power engineering"@en . . . . . . . . . . . . . . . . . "Water power engineering, the theory, investigation and development of water powers" . "Water power engineering: the theory, investigation and development of water powers"@en . . . "Water power engineering : the theory, investigation and development of water powers" . "Water power engineering : the theory, investigation and development of water powers"@en . . . . . . . . . . . . . . . . . "Water power engineering the theory, investigation and development of water powers"@en . . . . . . . . . "Enginyeria hidràulica." . .