De La Harpe, A. C., and E. Archer. “Effect of Growth Arrestment Disease on the Anatomy and Ultrastructure of Vitis Vinifera L. Var. Sultana”. South African Journal of Enology and Viticulture, vol. 2, no. 2, May 2017, pp. 59-59, doi:10.21548/2-2-2396.