@misc{indiciae9430a75c5287,
  title = {Theoretical basis of the borehole deepening method of absolute stress measurement},
  author = {Rodolfo V. de la Cruz and Richard E. Goodman},
  year = {1969},
  url = {https://pubs.usgs.gov/publication/70225514},
  note = {Source identifier: 70225514}
}