@misc{indiciae3381fc4328ea,
  title = {Finite-difference model to simulate the areal flow of saltwater and fresh water separated by an interface},
  author = {James W. Mercer and S. P. Larson and Charles R. Faust},
  year = {1980},
  doi = {10.3133/ofr80407},
  url = {https://pubs.usgs.gov/publication/ofr80407},
  note = {Source identifier: ofr80407}
}