Angular parameters of undermined ground movement process in unknown areas: Određivanje uglovnih parametara procesa pomeranja potkopanog terena na rudnicima sa neizučenim procesom. ume [Internet]. 2011 Dec. 31 [cited 2026 Nov. 4];(19):125-36. Available from: https://ume.rgf.bg.ac.rs/index.php/ume/article/view/88