@misc{indiciaec95eadc618f8,
  title = {A graphic procedure in the geochemical interpretation of water‐analyses},
  author = {A. M. Piper},
  year = {2014},
  doi = {10.1029/tr025i006p00914},
  url = {https://pubs.usgs.gov/publication/70215213},
  note = {Source identifier: 70215213}
}