@misc{indiciae60458ceaa914,
  title = {Spectrophotometric determination of tungsten in rocks by an isotope dilution procedure},
  author = {E.G. Lillie and L. Paul Greenland},
  year = {1973},
  url = {https://pubs.usgs.gov/publication/70161892},
  note = {Source identifier: 70161892}
}