@inproceedings{sgem2019s02005,
  title = {ANALYSIS OF GROUP HOLE EFFECTT TUNNEL EXCAVATION BY PBA METHOD},
  author = {Dongyang G},
  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 = {35-42},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/1.2/s02.005}
}