Holb, I. J., M. Soltész, J. Nyéki, and Z. Szabó. “Incidence of Virus Fungal Diseases on Three Stone Fruits Cultivars in Hungary”. International Journal of Horticultural Science 16, no. 3 (May 10, 2010): 107-109. Accessed April 6, 2020. https://ojs.lib.unideb.hu/IJHS/article/view/906.