Balaž, J., V. Ognjanov, Z. Keserović, A. Šućur, J. Janse, and T. Popovic. “Evaluation of Reactions of Commercial and Autochthonous Apple Cultivars to Common Diseases in Serbia under Natural Infection”. Pesticides and Phytomedicine / Pesticidi I Fitomedicina, Vol. 32, no. 3-4, Dec. 2017, doi:10.2298/pif.v32i3-4.15146.