Fire Blight Resistance of Several Wild Pear Seedlings Collected in Southwestern Ontario. Journal of the American Pomological Society, [S. l.], v. 40, n. 2, p. 59–61, 1986. DOI: 10.71318/apom.1986.40.2.59. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1677. Acesso em: 12 dec. 2025.