Apple Rootstock Studies in Eastern Europe. Journal of the American Pomological Society, [S. l.], v. 21, n. 2, p. 27–27, 1967. DOI: 10.71318/apom.1967.21.2.27. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/855. Acesso em: 17 apr. 2026.