Arbat, G., J. Puig-Bargues, M. Duran-Ros, J. Barragan, and F. Ramirez-de-Cartagena. “Irrigation Performance and Gross Water Productivity in Furrow-Irrigated Ornamental Tree Production”. Spanish Journal of Agricultural Research, Vol. 9, no. 2, May 2011, pp. 627-40, doi:10.5424/sjar/20110902-274-10.