A New Program at the Harrow Research Station to Develop Dwarfing Pear Rootstocks. Journal of the American Pomological Society, [S. l.], v. 29, n. 3, p. 66–67, 1975. DOI: 10.71318/apom.1975.29.3.66. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1221. Acesso em: 15 feb. 2026.