Dušan Arsić, Ružica Nikolić, Vukić Lazić, Srbislav Aleksandrović, Ljubica Radović, Nada Ilić and Branislav Hadzima 2021. An Example of Reparatory Surface Welding of the Mining Machine Vital Part. Communications - Scientific letters of the University of Zilina. 23, 1 (Jan. 2021), B39-B45. DOI:https://doi.org/10.26552/com.C.2021.1.B39-B45.