Csihon, Á., I. J. Holb, and I. Gonda. “Evaluation of Generative Accomplishment of New Apple Cultivars in Hungary”. International Journal of Horticultural Science 21, no. 1-2 (April 12, 2015): 11–15. Accessed April 14, 2021. https://ojs.lib.unideb.hu/IJHS/article/view/1151.