@misc{indiciae1553acf854b2,
  title = {Ground-water models: Validate or invalidate},
  author = {J.D. Bredehoeft and Leonard F. Konikow},
  year = {2005},
  doi = {10.1111/j.1745-6584.1993.tb01808.x},
  url = {https://pubs.usgs.gov/publication/70047000},
  note = {Source identifier: 70047000}
}