@misc{indiciae0a7c3eca8e78,
  title = {FD\_BH: a program for simulating electromagnetic waves from a borehole antenna},
  author = {Karl J. Ellefsen},
  year = {2002},
  doi = {10.3133/ofr02276},
  url = {https://pubs.usgs.gov/publication/ofr02276},
  note = {Source identifier: ofr02276}
}