@inproceedings{sgem2016s04138,
  title = {FLOTATION RECOVERY OF VALUABLE MINERALS FROM GRAVITY CONCENTRATION TAILINGS OF RARE-METAL TANTALUM-NIOBIUM ORE},
  author = {Valentina Ivanova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining},
  year = {2016},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2016/b12/s04.138}
}