Lozo, Jelena, and Slaviša Stanković. “In Memoriam Professor Đorđe Fira (1959 - 2022)”. Archives of Biological Sciences 75, no. 1 (April 3, 2023): 119–120. Accessed May 22, 2025. https://www.serbiosoc.org.rs/arch/index.php/abs/article/view/8343.