@misc{indiciaecb5f2ba9a0b4,
  title = {DITT: a computer program for Data Interpretation for Torsional Tests},
  author = {Albert T.F. Chen},
  year = {1979},
  doi = {10.3133/ofr791463},
  url = {https://pubs.usgs.gov/publication/ofr791463},
  note = {Source identifier: ofr791463}
}