"Enginyeria hidrĂ ulica." . . "Impianti irrigui - Progetti." . . "Dighe." . . "Vertederos." . . . "Irrigation engineering : Syphons, weirs and locks" . . . . . . "Irrigation engineering : syphons, weirs and locks"@en . . . . . "Irrigation engineering : syphons, weirs and locks" . . . . . . . . . . "Irrigation engineering syphons, weirs and locks" . . . . . . . . "Locks (Hydraulic engineering)." . . "Weirs." . . . . "IngenierĂ­a Hidraulica." . . "Ingegneria idraulica." . . "Irrigation engineering." . .