Florin Păun, Niculina Vătavu, Adrian Jurca, Mihai Popa (2020). STUDY OF THE INFLUENCE FACTORS FOR QUALITY ASSURANCE OF DETERMINATION TEST OF THE DRUM FRICTION FOR CONVEYOR BELTS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Science and Technologies in Geology, Exploration And Mining, 285-292. https://doi.org/10.5593/sgem2020/1.2/s03.037