@misc{indiciae888cca0d7bcc,
  title = {Extending Darcy's concept of ground-water motion},
  author = {H.E. Skibitzke},
  year = {1964},
  doi = {10.3133/pp411f},
  url = {https://pubs.usgs.gov/publication/pp411F},
  note = {Source identifier: pp411F}
}