Krumov, Simeon, Anelia Borisova, and Ivanka Kamenova. “Surveys and Studies of Ilar Viruses in the Free-Growing Population of Mahaleb Forms and Wild Cherries in the Kyustendil Area”. Bulgarian Journal of Crop Science 58, no. 4 (August 20, 2021): 53–58. Accessed October 10, 2026. https://agriacad.eu/ojs/index.php/bjcs/article/view/2141.