Saayman, D., and J.J.N. Lambrechts. “The Effect of Irrigation System and Crop Load on the Vigour of Barlinka Table Grapes on a Sandy Soil, Hex River Valley”. South African Journal of Enology and Viticulture 16, no. 2 (May 5, 2017): 26–34. Accessed February 20, 2026. https://www.journals.ac.za/sajev/article/view/2269.