@inproceedings{sgem2006paper,
  title = {ECOLOGICAL CONSEQUENCES OF COPPER ORE PROCESSING},
  author = {M. Banov and L. Misheva and R. Radev},
  booktitle = {6th International Scientific Conference - SGEM},
  year = {2006},
  pages = {23-34},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}