@misc{indiciaebb614f246d05,
  title = {The determination of trace-level arsenic in geological materials by semi-automated hydride generation-atomic absorption spectroscopy},
  author = {J.G. Crock and F.E. Lichte},
  year = {1981},
  doi = {10.3133/ofr81672},
  url = {https://pubs.usgs.gov/publication/ofr81672},
  note = {Source identifier: ofr81672}
}