New Clonal Apple Rootstocks of the E. Series. Journal of the American Pomological Society, [S. l.], v. 42, n. 1, p. 31–31, 1988. DOI: 10.71318/apom.1988.42.1.31. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1753. Acesso em: 5 feb. 2026.