@misc{indiciae39fa67c2d175,
  title = {On the state of stress in the near-surface of the earth's crust},
  author = {W. Z. Savage and H.S. Swolfs and B. Amadei},
  year = {1992},
  doi = {10.1007/bf00878896},
  url = {https://pubs.usgs.gov/publication/70017251},
  note = {Source identifier: 70017251}
}