@misc{indiciae729d266bcaa8,
  title = {Geosoft eXecutables (GX's) Developed by the U.S. Geological Survey, Version 2.0, with Notes on GX Development from Fortran Code},
  author = {Jeffrey D. Phillips},
  year = {2007},
  doi = {10.3133/ofr20071355},
  url = {https://pubs.usgs.gov/publication/ofr20071355},
  note = {Source identifier: ofr20071355}
}