@inproceedings{sgem2018s03064, title = {IMPROVEMENT OF INDUSTRIAL VENTILATION SYSTEMS}, author = {Ion Gherghe}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining}, year = {2018}, pages = {497-504}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2018/1.3/s03.064} }