@inproceedings{sgem2018s03090,
  title = {RAW MATERIAL POLICY AND POTENTIAL SOURCES OF RAW},
  author = {Lenka Tkacikova},
  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 = {709-714},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/1.3/s03.090}
}