@inproceedings{sgem2006paper,
  title = {PROGNOSIS FOR FIXED BED CLIPTILOLITE PERFORMANCE IN THE PROCESS OF METAL IONS REMOVAL},
  author = {S. Dimitrova and I. Kostova and S. Petrova},
  booktitle = {6th International Scientific Conference - SGEM},
  year = {2006},
  pages = {297-306},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}