Holb, I. J. “Effect of Dry and Wet Years on Primary Inoculum Source, Incubation Period and Conidial Production of Venturia Inaequalis”. International Journal of Horticultural Science 11, no. 4 (October 11, 2005): 53–58. Accessed April 27, 2024. https://ojs.lib.unideb.hu/IJHS/article/view/605.