Martínez de Toda, F., J.C. Sancha, and P. Balda. “Reducing the Sugar and PH of the Grape (Vitis Vinifera L. Cvs. ‘Grenache’ and ‘Tempranillo’) Through a Single Shoot Trimming”. South African Journal of Enology and Viticulture 34, no. 2 (August 23, 2013): 246–251. Accessed February 23, 2026. https://www.journals.ac.za/sajev/article/view/1101.