@misc{indiciaeec2a1e9d3d46,
  title = {Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994},
  author = {Charles A. Appel and Thomas E. Reilly},
  year = {1994},
  doi = {10.3133/cir1104},
  url = {https://pubs.usgs.gov/publication/cir1104},
  note = {Source identifier: cir1104}
}