@inproceedings{sgem2013s01025,
  title = {STUDY OF DIFFERENT FORMS OF COAL SUBSTANCE IN CARBONIFEROUS SEDIMENTS AND CALCULATION OF ITS TOTAL CONTENT IN THE BOREHOLE},
  author = {Duraj, Milos and Heviankova, Silvie and Kyncl, Miroslav and Bestova, Iva and Marschalko, Marian and Yilmaz, Isik and Penaz, Tomas and Drusa, Marian and Orlando, Arencibia Montero},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING},
  year = {2013},
  pages = {179 - 186 pp},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2013/ba1.v1/s01.025}
}