@misc{indiciaefa8730867cd5,
  title = {Subcritical crack propagation in westerly granite: An investigation into the double torsion method},
  author = {P.L. Swanson},
  year = {1981},
  doi = {10.1016/0148-9062(81)90008-5},
  url = {https://pubs.usgs.gov/publication/70011925},
  note = {Source identifier: 70011925}
}