@inproceedings{sgem2017s04124,
  title = {PRELIMINARY ASSESSMENT OF THE POSSIBILITIES OF CONCENTRATING THE RARE EARTH METALS BY FLOTATION FROM THE POWER PLANT ASHES},
  author = {Krzysztof Wierzchowski and Joanna Calus Moszko and Barbara Bialecka},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining},
  year = {2017},
  pages = {973-978},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/11/s04.124}
}