@misc{indiciae72f5c565c129,
  title = {Electrical resistivity sounding with an L-shaped array},
  author = {Adel A. R. Zohdy},
  year = {1970},
  doi = {10.3133/b1313c},
  url = {https://pubs.usgs.gov/publication/b1313C},
  note = {Source identifier: b1313C}
}