@misc{indiciaeed38339cd267,
  title = {Potential-field geophysical software for the PC, version 2.2},
  author = {Jeffrey D. Phillips},
  year = {1997},
  doi = {10.3133/ofr97725},
  url = {https://pubs.usgs.gov/publication/ofr97725},
  note = {Source identifier: ofr97725}
}