@misc{indiciae0ca8ea46c27a,
  title = {REM (relative element magnitude): program explanation and computer program listing},
  author = {George Van Trump and Henry V. Alminas},
  year = {1978},
  doi = {10.3133/ofr781014},
  url = {https://pubs.usgs.gov/publication/ofr781014},
  note = {Source identifier: ofr781014}
}