Cosmin Ilie, George Artur Găman, Daniel Pupăzan, Cristian Nicolescu, Alin Irimia. "NEW METODS OF TECHNICAL INSPECTION OF THE GAS BOTTLES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Science and Technologies in Geology, Exploration And Mining, 2020, pp. 179-186. https://doi.org/10.5593/sgem2020/1.2/s03.023