SWANEPOEL, J.; DE VILLIERS, C. A Numerical-Taxonomic classification of Vitis spp and Cultivars Based on Leaf Characteristics. South African Journal of Enology and Viticulture, [S. l.], v. 8, n. 2, p. 31–35, 2017. DOI: 10.21548/8-2-2311. Disponível em: https://www.journals.ac.za/sajev/article/view/2311. Acesso em: 28 feb. 2026.