Portable Punched Cards for Recording Tree Fruit Evaluations. Journal of the American Pomological Society, [S. l.], v. 28, n. 1, p. 2–6, 1974. DOI: 10.71318/apom.1974.28.1.2. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1177. Acesso em: 9 dec. 2025.