De la Hera-Orts, M. L., A. Martínez-Cutillas, J. M. López-Roca, and E. Gómez-Plaza. “Effects of Moderate Irrigation on Vegetative Growth and Productive Parameters of Monastrell Vines Grown in Semiarid Conditions”. Spanish Journal of Agricultural Research, Vol. 2, no. 2, June 2004, pp. 273-81, doi:10.5424/sjar/2004022-81.