J. A. Rodríguez-Díaz, L. Pérez-Urrestarazu, E. Camacho-Poyato, and P. Montesinos, “The paradox of irrigation scheme modernization: more efficient water use linked to higher energy demand”, Span. j. agric. res., vol. 9, no. 4, pp. 1000-1008, Nov. 2011.