@misc{indiciae5e5be2550259,
  title = {BASIC program to reduce audio-magnetotelluric data and calculate apparent resistivity},
  author = {C. L. Long and H. A. Pierce},
  year = {1986},
  doi = {10.3133/ofr86200},
  url = {https://pubs.usgs.gov/publication/ofr86200},
  note = {Source identifier: ofr86200}
}