Early Production of Apple Cultivars on M.9 and Mark Rootstock. Journal of the American Pomological Society, [S. l.], v. 48, n. 2, p. 130–132, 1994. DOI: 10.71318/apom.1994.48.2.130. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/2071. Acesso em: 29 jan. 2026.