@inproceedings{sgem2017s03067,
  title = {MATHEMATICAL MODELS OF POWERED ROOF SUPPORT INTERACTION WITH SURROUNDING ROCKS},
  author = {Andrei Andras and Iosif Andras and Ovidiu Bogdan Tomus},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining},
  year = {2017},
  pages = {529-536},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/13/s03.067}
}