@misc{indiciae8bb4b797934c,
  title = {Seismic tomography as a tool for measuring stress in mines},
  author = {Douglas F. Scott and T.J. Williams and D.K. Denton and M.J. Friedel},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70021952},
  note = {Source identifier: 70021952}
}