@misc{indiciae332880fcecb7,
  title = {Atomic-absorption spectrometric determination of cobalt, nickel, and copper in geological materials with matrix masking and chelation-extraction},
  author = {R. F. Sanzolone and T. T. Chao and G. L. Crenshaw},
  year = {1979},
  doi = {10.1016/s0003-2670(01)83755-7},
  url = {https://pubs.usgs.gov/publication/70012496},
  note = {Source identifier: 70012496}
}