The Sirrine Pear. Journal of the American Pomological Society, [S. l.], v. 24, n. 2, p. 26–26, 1970. DOI: 10.71318/apom.1970.24.2.26. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1019. Acesso em: 3 feb. 2026.