@misc{indiciae79a38cbc1aaa,
  title = {A two-constituent solute-transport model for ground water having variable density},
  author = {W. E. Sanford and Leonard F. Konikow},
  year = {1985},
  doi = {10.3133/wri854279},
  url = {https://pubs.usgs.gov/publication/wri854279},
  note = {Source identifier: wri854279}
}