Surányi, D., and Z. Erdős. “Comparative Study of Plum Cultivars Belonging to Different Taxons During 1980-1996”. International Journal of Horticultural Science 10, no. 4 (November 15, 2004): 13–19. Accessed April 27, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/502.