Edgar Apple. Journal of the American Pomological Society, [S. l.], v. 10, n. 3, p. 40–40, 1955. DOI: 10.71318/apom.1955.10.3.40. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/139. Acesso em: 12 dec. 2025.