@inproceedings{sgem2010paper,
  title = {HEAVY AND TOXIC ELEMENTS DISTRIBUTION IN MAGNETICALLY SEPARATED FRACTIONS FROM COAL FLY ASHES},
  author = {A. Shoumkova and V. Stoyanova},
  booktitle = {10th International Multidisciplinary Scientific GeoConference SGEM2010},
  year = {2010},
  pages = {597-604},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}