Trends of Production, Cultivars and Planting Systems on Apples and Pears in Western Europe. Journal of the American Pomological Society, [S. l.], v. 42, n. 2, p. 44–44, 1988. DOI: 10.71318/apom.1988.42.2.44. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1761. Acesso em: 29 jan. 2026.