@inproceedings{sgem2017s09097,
  title = {VERTICALITY OF THE HEADFRAME OF WORKING SHAFT NO. 6 AT THE LAZY SITE},
  author = {Eva Jirankova and Roman Kapica and Dana Vrublova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Informatics, Geoinformatics and Remote Sensing},
  year = {2017},
  pages = {765-772},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/22/s09.097}
}