@misc{indiciae8a6284cb796e,
  title = {D4Z: A new renumbering for iterative solution of ground-water flow and solute-transport equations},
  author = {K.L. Kipp and T.F. Russell and J.S. Otto},
  year = {1992},
  url = {https://pubs.usgs.gov/publication/70016927},
  note = {Source identifier: 70016927}
}