@misc{indiciaec8a453498234,
  title = {Determination of silver, bismuth, cadmium, copper, lead, and zinc in geologic materials by atomic absorption spectrometry with tricaprylylmethylammonium chloride},
  author = {John G. Viets},
  year = {2002},
  doi = {10.1021/ac50030a023},
  url = {https://pubs.usgs.gov/publication/70012641},
  note = {Source identifier: 70012641}
}