The implementation of modified pillar method in the excavation field 2 (OP-2) in the ’Osojno-jug’ RL ’Lubnica’ Mine: Primena modifikovane stubne metode u otkopnom polju 2 (OP-2) u jami ’Osojno-jug’ RL ’Lubnica’. ume [Internet]. 2015 Dec. 31 [cited 2026 Nov. 15];(27):11-2. Available from: https://ume.rgf.bg.ac.rs/index.php/ume/article/view/22