TY - CPAPER AU - Răzvan Drăgoescu TI - DEVELOPMENT OF NEW CONCEPTS, METHODS, PROCESSES AND TECHNOLOGIES CONCERNING THE SECURITY OF INDUSTRIAL VENTILATION SYSTEMS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining PY - 2019 SP - 249 EP - 254 DO - 10.5593/sgem2019/1.3/s03.031 PB - STEF92 Technology ER -