@inproceedings{sgem2006paper, title = {DEVELOPMENT OF THE IT-INFRASTRUCTURE IN THE MINES OF NATIONAL HARD COAL COMPANY SA PETROSANI}, author = {B. Florian and PURCARO}, booktitle = {6th International Scientific Conference - SGEM}, year = {2006}, pages = {445-450}, publisher = {SGEM Scientific GeoConference}, doi = {} }