Gonda, I., I. J. Holb, and K. Bitskey. “Rate of Scab Infection and Quality Parameters of Apple Fruit in Organic and Integrated Production Systems”. International Journal of Horticultural Science 6, no. 4 (August 23, 2000): 63–67. Accessed December 7, 2022. https://ojs.lib.unideb.hu/IJHS/article/view/226.