Walnut Notes. Journal of the American Pomological Society, [S. l.], v. 3, n. 4, p. 108–108, 1948. DOI: 10.71318/apom.1948.3.4.108. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1283. Acesso em: 13 dec. 2025.