Mihalik, E., A. Radvánszky, L. Dorgai, and T. Bubán. 2004. “Study of Erwinia Amylovora Colonization and Migration on Blossoms of Susceptible and Tolerant Apple Cultivars”. International Journal of Horticultural Science 10 (2): 15-19. https://doi.org/10.31421/IJHS/10/2/455.