Sources of Propagating Wood for Apple Varieties in the United States and Canada. Journal of the American Pomological Society, [S. l.], v. 9, n. 3, p. 38–48, 1954. DOI: 10.71318/apom.1954.9.3.38. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/3214. Acesso em: 19 feb. 2026.