@misc{indiciae94455cba9b7d,
  title = {The application, technique, and theory of Gish-Rooney instruments, methods, and interpretation in electrical resistivity measurements},
  author = {H. Cecil Spicer},
  year = {1957},
  doi = {10.3133/ofr5899},
  url = {https://pubs.usgs.gov/publication/ofr5899},
  note = {Source identifier: ofr5899}
}