@inproceedings{sgem2019s01068,
  title = {STUDIES INTO THE RELATIONSHIP BETWEEN THE TECHNICAL, PETROGRAHIC, GAS AND STRENGTH PARAMETERS OF COAL FROM SEAMS LOCATED IN THE UPPER SILESIAN COAL BASIN},
  author = {Katarzyna Godyń},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining},
  year = {2019},
  pages = {553-560},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/1.1/s01.068}
}