@misc{indiciae5afe60aa7335,
  title = {Back-extraction with three aqueous stripping systems for 16 elements from organometallic-halide extracts},
  author = {J. Robert Clark and John G. Viets},
  year = {2002},
  doi = {10.1021/ac00252a047},
  url = {https://pubs.usgs.gov/publication/70011980},
  note = {Source identifier: 70011980}
}