Racskó, J., J. Nyéki, M. Soltész, and Z. Szabó. “Floral Biology, Pollination and Fertilisation of Temperate Zone Fruit Trees”. International Journal of Horticultural Science 13, no. 3 (September 19, 2007): 7–12. Accessed December 19, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/740.