@inproceedings{sgem2011s03153,
  title = {UP-TO-DATE METHODS AIMED AT OPTIMUM MINING TECHNOLOGY SELECTION IN LIGNITE OPEN-PITS FROM THE ROMANIAN OLTENIA BASIN},
  author = {Tudor Goldan},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference},
  year = {2011},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2011/s03.153}
}