@misc{indiciae46274b2f4bd4,
  title = {A general interface for producing forward solution programs (subprogram FWDSOL)},
  author = {W.L. Anderson},
  year = {1984},
  doi = {10.3133/ofr84348},
  url = {https://pubs.usgs.gov/publication/ofr84348},
  note = {Source identifier: ofr84348}
}