Ion Gherghe, Doru Cioclea, Florin Rădoi, Adrian Matei, Răzvan Drăgoescu (2020). SPECIFIC OPERATING CONDITIONS AND TYPE-DIMENSIONS OF INDUSTRIAL VENTILATION SYSTEMS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Science and Technologies in Geology, Exploration And Mining, 267-276. https://doi.org/10.5593/sgem2020/1.2/s03.035