Holb, I. J. “Analyses of the Pathogen and Weather Components of Disease Progress for Modeling Apple Scab Epidemics in Integrated and Organic Production Systems”. International Journal of Horticultural Science 9, no. 3-4 (October 20, 2003): 101–106. Accessed July 7, 2022. https://ojs.lib.unideb.hu/IJHS/article/view/416.