@misc{indiciae97c9826de723,
  title = {Ground-water movement in a rectangular aquifer bounded by four ditches or canals},
  author = {Russell H. Brown},
  year = {1959},
  doi = {10.3133/ofr5912},
  url = {https://pubs.usgs.gov/publication/ofr5912},
  note = {Source identifier: ofr5912}
}