student chim. OLENCIUC Olga, Eng. Emilia DUNCA. "AIR QUALITY MONITORING USING BIOINDICATORS IN JIU VALLEY." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ENERGY AND CLEAN TECHNOLOGIES (2013): 535 - 542 pp. https://doi.org/10.5593/sgem2013/bd4/s19.004