@misc{indiciae229a01e718eb,
  title = {Detecting influential observations in nonlinear regression modeling of groundwater flow},
  author = {Richard M. Yager},
  year = {1998},
  doi = {10.1029/98wr01010},
  url = {https://pubs.usgs.gov/publication/70020762},
  note = {Source identifier: 70020762}
}