@inproceedings{sgem2012s03v1013,
  title = {CONSIDERATIONS ON THE INFLUENCE OF EXTRACTION TECHNOLOGY OF LIGNITE IN OPEN PITS OVER THE PRODUCTION QUALITY},
  author = {Maria Lazar},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference},
  year = {2012},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2012/s03.v1013}
}