@misc{indiciaecd85f40c7cb5,
  title = {An empirical NaKCa geothermometer for natural waters},
  author = {R.O. Fournier and A.H. Truesdell},
  year = {1973},
  doi = {10.1016/0016-7037(73)90060-4},
  url = {https://pubs.usgs.gov/publication/70010280},
  note = {Source identifier: 70010280}
}