TY - CPAPER AU - Ion Gherghe AU - Doru Cioclea AU - Adrian Matei AU - Răzvan Drăgoescu AU - Alexandru Camara escu TI - VARIATION OF AIR STATUS PARAMETERS IN PRESENCE OF METHANE, IN THE VENTILATION DUCTS INSTALLATIONS T2 - SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Science and Technologies in Geology, Exploration And Mining PY - 2022 SP - 445 EP - 454 DO - 10.5593/sgem2022/1.1/s03.052 PB - STEF92 Technology ER -