“Coal reserves in the deposit as a limiting factor for the introducing of mechanised mining technology: Rezerve uglja u ležištu kao ograničavajući faktor uvođenju tehnologija mehanizovanog otkopavanja” (2017) Podzemni radovi, (23), pp. 21–31. Available at: https://ume.rgf.bg.ac.rs/index.php/ume/article/view/48 (Accessed: 4 November 2026).