A Plan to Preserve Virus-Free, Patented Clones of Deciduous Fruits. Journal of the American Pomological Society, [S. l.], v. 23, n. 3, p. 42–43, 1969. DOI: 10.71318/apom.1969.23.3.42. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/980. Acesso em: 27 apr. 2026.