Adina-Eliza Croitoru. "ANALYSIS OF NOX AIR QUALITY INDICATORS IN URBAN AREAS OF CLUJ COUNTY, ROMANIA." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on ENERGY AND CLEAN TECHNOLOGIES, 2014. https://doi.org/10.5593/sgem2014/b42/s19.037