@misc{indiciaec46d0098e904,
  title = {The significance and nature of the cone of depression in ground-water bodies},
  author = {Charles V. Theis},
  year = {1938},
  doi = {10.2113/gsecongeo.33.8.889},
  url = {https://pubs.usgs.gov/publication/70212847},
  note = {Source identifier: 70212847}
}