Holb, I. J., R. A., and A. F. “Ascospore Dispersal of Venturia Inaequalis and Subsequent Development of Scab Symptoms in a Hungarian Organic Apple Orchard”. International Journal of Horticultural Science, vol. 20, no. 1-2, Apr. 2014, pp. 35-37., doi:10.31421/IJHS/20/1-2/1114.