@misc{indiciaee9f3e2c9cf13,
  title = {Flameless atomic absorption determination of bismuth in soils and rocks},
  author = {W. H. Ficklin and F. N. Ward},
  year = {1976},
  url = {https://pubs.usgs.gov/publication/70232239},
  note = {Source identifier: 70232239}
}