@misc{indiciae29a0cbb7d05a,
  title = {Master curves of Schlumberger soundings over three vertical layers; array expanded at right angles to strike},
  author = {Adel A. R. Zohdy},
  year = {1980},
  doi = {10.3133/ofr80249},
  url = {https://pubs.usgs.gov/publication/ofr80249},
  note = {Source identifier: ofr80249}
}