Early Performance of Four Apple Cultivars on Mark and Other Rootstocks in Maine. Journal of the American Pomological Society, [S. l.], v. 46, n. 2, p. 67–71, 1992. DOI: 10.71318/apom.1992.46.2.67. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1954. Acesso em: 14 dec. 2025.