@article{
  author = {Ebrahimabadi, Arash},
  title = {Introducing a Model for Road headers' Performance Prediction
Based on the Specific Energy and the Angle between Tunnel Axis
and the Planes of Weakness},
  journal = {},
  year = {2012},
  volume = {6},
  issue = {20},
  pages = {36-48},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/931346}
}