@misc{indiciaea63060a45fe3,
  title = {The theory of direct current prospecting in the presence of curved boundary surfaces},
  author = {Robert Gaige Van Nostrand},
  year = {1953},
  doi = {10.3133/ofr53260},
  url = {https://pubs.usgs.gov/publication/ofr53260},
  note = {Source identifier: ofr53260}
}