RUSTIONI, L. The Effect of Copper Ions on Colour in Extracts of Cabernet Sauvignon and Sangiovese Skins Under Wine-like Conditions. South African Journal of Enology and Viticulture, [S. l.], v. 36, n. 3, p. 389–392, 2016. DOI: 10.21548/36-3-971. Disponível em: https://www.journals.ac.za/sajev/article/view/971. Acesso em: 23 feb. 2026.