VAN WYK, T. N.; VAN JAARSVELD, F. .; CALEB, O. J. . Metal Concentrations in Grape Spirits. South African Journal of Enology and Viticulture, [S. l.], v. 42, n. 1, p. 36, 2021. DOI: 10.21548/42-1-4238. Disponível em: https://www.journals.ac.za/sajev/article/view/4238. Acesso em: 28 feb. 2026.