@misc{indiciaeecab19d2c2fc,
  title = {U. S. Geological Survey potential-field geophysical software, version 2.0: Source and executable code diskette},
  author = {Lindrith E. Cordell and Jeffrey D. Phillips and Richard H. Godson},
  year = {1992},
  doi = {10.3133/ofr9218d},
  url = {https://pubs.usgs.gov/publication/ofr9218D},
  note = {Source identifier: ofr9218D}
}