@misc{indiciae984c79f1a397,
  title = {UCODE, a computer code for universal inverse modeling},
  author = {E. P. Poeter and M. C. Hill},
  year = {1999},
  doi = {10.1016/s0098-3004(98)00149-6},
  url = {https://pubs.usgs.gov/publication/70021599},
  note = {Source identifier: 70021599}
}