@misc{indiciae1b821600564f,
  title = {Electric analog of three-dimensional flow to wells and its application to unconfined aquifers},
  author = {Robert W. Stallman},
  year = {1963},
  doi = {10.3133/wsp1536h},
  url = {https://pubs.usgs.gov/publication/wsp1536H},
  note = {Source identifier: wsp1536H}
}