Scionwood of Apple Cultivars, Rootstocks and Species Available from the Plant Introduction Station. Journal of the American Pomological Society, [S. l.], v. 34, n. 2, p. 27–32, 1980. DOI: 10.71318/apom.1980.34.2.27. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1418. Acesso em: 22 feb. 2026.