TY - CPAPER AU - Simona Condurache-Bota TI - GREENHOUSE GASES WORLDWIDE: RELATIVE CHANGES, COMPARISONS, VARIATION CAUSES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies PY - 2018 SP - 459 EP - 466 DO - 10.5593/sgem2018/4.2/s19.060 PB - STEF92 Technology ER -