Virus Tested Pear Germplasm Available at the National Clonal Germplasm Repository in Corvallis, Oregon. Journal of the American Pomological Society, [S. l.], v. 42, n. 3, p. 109–115, 1988. DOI: 10.71318/apom.1988.42.3.109. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1776. Acesso em: 9 dec. 2025.