Winter Hardiness of Raspberries in Poland. Journal of the American Pomological Society, [S. l.], v. 14, n. 4, p. 80–80, 1960. DOI: 10.71318/apom.1960.14.4.80. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/375. Acesso em: 6 feb. 2026.