@misc{indiciae10641eb1fc6a,
  title = {Karst hydrology: A review},
  author = {H. E. LeGrand and V. T. Stringfield},
  year = {1973},
  doi = {10.1016/0022-1694(73)90034-6},
  url = {https://pubs.usgs.gov/publication/70241805},
  note = {Source identifier: 70241805}
}