@misc{indiciae67739330ce01,
  title = {Colorimetric estimation of milligram quantities of inorganic azides},
  author = {Charles Elmer Roberson and Calvin Austin},
  year = {2002},
  doi = {10.1021/ac60125a037},
  url = {https://pubs.usgs.gov/publication/70221173},
  note = {Source identifier: 70221173}
}