@misc{indiciaeaef21cf63c47,
  title = {Preparation of biological tissue for determination of arsenic and selenium by graphite furnace atomic absorption spectrometry},
  author = {Alexander J. Krynitsky},
  year = {2002},
  doi = {10.1021/ac00141a034},
  url = {https://pubs.usgs.gov/publication/5222185},
  note = {Source identifier: 5222185}
}