@misc{indiciae2d5f7ef3866d,
  title = {An efficient deterministic-probabilistic approach to modeling regional ground-water flow: Theory},
  author = {Chung-Cheng Yen and G. L. Guymon},
  year = {1988},
  doi = {10.3133/ofr8890},
  url = {https://pubs.usgs.gov/publication/ofr8890},
  note = {Source identifier: ofr8890}
}