@misc{indiciae77a67580b959,
  title = {Atomic-absorption determination of beryllium in geological materials by use of electrothermal atomization},
  author = {E.Y. Campbell and F.O. Simon},
  year = {1978},
  doi = {10.1016/0039-9140(78)80050-2},
  url = {https://pubs.usgs.gov/publication/70012630},
  note = {Source identifier: 70012630}
}