Valentin Amorțilă. "AUTO TRANSPORTATION - AN IMPORTANT FACTOR IN POLLUATION GROWTH AND IN ATMOSPHERIC CHANGES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies (2018): 349-356. https://doi.org/10.5593/sgem2018/4.2/s19.046