@misc{indiciae61f2013330f9,
  title = {Role of numerical simulation in analysis of ground-water quality problems},
  author = {Leonard F. Konikow},
  year = {1981},
  doi = {10.1016/0048-9697(81)90163-7},
  url = {https://pubs.usgs.gov/publication/70186168},
  note = {Source identifier: 70186168}
}