KÁSA, K.; G. TÓTH, M.; HEVESI, M. Historical apple cultivars that display high level of resistance to fire blight. International Journal of Horticultural Science, [S. l.], v. 10, n. 3, p. 19-23, 2004. DOI: 10.31421/IJHS/10/3/498. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/498. Acesso em: 21 jan. 2021.