@inproceedings{sgem2010paper,
  title = {PETROLOGICAL AND ORGANIC GEOCHEMICAL CHARACTERISTICS OF LIGNITES FROM THE CZECH REPUBLIC},
  author = {M. Havelcova and I. Sykorova and H. Trejtnarova and AL. Sulc},
  booktitle = {10th International Multidisciplinary Scientific GeoConference SGEM2010},
  year = {2010},
  pages = {129-136},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}