@inproceedings{sgem2006paper,
  title = {RADIOACTIVE AND TRACE-ELEMENT ENRICHMENT OF UPPERMOST BROWN COAL LAYERS: AN ENVIRONMENTAL ASPECT (KANSK -ACHINSK COAL BASIN, WEST SIBERIA)},
  author = {V. M. Gavshin and M. S. Melgunov},
  booktitle = {6th International Scientific Conference - SGEM},
  year = {2006},
  pages = {67-74},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}