JOLÁNKAI, Márton. Professor György Várallyay – 80 years jubilee. COLUMELLA – Journal of Agricultural and Environmental Sciences, [S. l.], v. 2, n. 2, p. 69–71, 2015. Disponível em: https://journal.uni-mate.hu/index.php/columella/article/view/2709. Acesso em: 7 apr. 2025.