Sanchez-Toribio, M. I., R. Garcia-Marin, C. Conesa-Garcia, and F. Lopez-Bermudez. “Evaporative Demand and Water Requirements of the Principal Crops of the Guadalentín Valley (SE Spain) in Drought Periods”. Spanish Journal of Agricultural Research, Vol. 8, no. S2, Nov. 2010, pp. 66-75, doi:10.5424/sjar/201008S2-1349.