Warren P. Tufts. Journal of the American Pomological Society, [S. l.], v. 22, n. 4, p. 79–79, 1968. DOI: 10.71318/apom.1968.22.4.79. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/949. Acesso em: 11 feb. 2026.