Leon Pană. "ESTABLISHING OF ECONOMIC USE DOMAINS FOR MINING TRANSFORMERS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Informatics, Geoinformatics and Remote Sensing (2018): 351-358. https://doi.org/10.5593/sgem2018/2.1/s07.044