@misc{indiciaeab5199a9da8d,
  title = {The quantitative determination of FeS 2 phases in coal by means of 57 Fe Mössbauer spectroscopy},
  author = {B.J. Evans and Hobart M. King and John J. Renton and A. Stiller},
  year = {1990},
  doi = {10.1007/bf02405784},
  url = {https://pubs.usgs.gov/publication/70016371},
  note = {Source identifier: 70016371}
}