@misc{indiciae7a659b5fa68d,
  title = {A comparison of several methods of solving nonlinear regression groundwater flow problems},
  author = {Richard L. Cooley},
  year = {2008},
  doi = {10.1029/wr021i010p01525},
  url = {https://pubs.usgs.gov/publication/70012297},
  note = {Source identifier: 70012297}
}