Too Many Varieties. Journal of the American Pomological Society, [S. l.], v. 3, n. 3, p. 87–87, 1948. DOI: 10.71318/apom.1948.3.3.87. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1274. Acesso em: 17 dec. 2025.