Franjo, D., S. Szőke, J. Nyéki, and P. Hilsendegen. “Security of Growing Habits and Bud Formation of German Sour Cherry Varieties”. International Journal of Horticultural Science 17, no. 4-5 (December 4, 2011): 45–48. Accessed April 28, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/967.