@misc{indiciae26bba8073084,
  title = {Concentration method for the spectrochemical determination of seventeen minor elements in natural water},
  author = {W. D. Silvey and R. Brennan},
  year = {2002},
  doi = {10.1021/ac60187a021},
  url = {https://pubs.usgs.gov/publication/70010573},
  note = {Source identifier: 70010573}
}