@misc{indiciae0c0711340942,
  title = {The triangular stress diagram; a graphical representation of crustal stress measurements},
  author = {H.S. Swolfs},
  year = {1984},
  doi = {10.3133/pp1291},
  url = {https://pubs.usgs.gov/publication/pp1291},
  note = {Source identifier: pp1291}
}