Walnuts. Journal of the American Pomological Society, [S. l.], v. 38, n. 3, p. 112–120, 1984. DOI: 10.71318/apom.1984.38.3.112. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1546. Acesso em: 11 dec. 2025.