Soós, Áron, Szilvia Várallyay, and Béla Kovács. “Toxic Elemental Content of Hungarian blaufränkisch Wines”. Acta Agraria Debreceniensis, no. 68 (February 18, 2016): 87–90. Accessed March 2, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/1775.