Benedek, P., Z. Szabó, T. Szabó, and J. Nyéki. “Flower Characters and Self-Fertilization Capacity in Relation to the Bee Pollination at Sour Cherry Cultivars”. International Journal of Horticultural Science 12, no. 2 (April 19, 2006): 121–132. Accessed May 3, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/644.