@misc{indiciaea0871ebca94f,
  title = {Determination of arsenic, antimony, and selenium in coal by atomic absorption spectrometry with a graphite tube atomizea},
  author = {Philip Aruscavage},
  year = {1977},
  url = {https://pubs.usgs.gov/publication/70156433},
  note = {Source identifier: 70156433}
}