@misc{W2050670879,
  author = {Bryn Jones and David A.C. Manning},
  title = {Comparison of geochemical indices used for the interpretation of palaeoredox conditions in ancient mudstones},
  year = {1994},
  howpublished = {Chemical Geology},
  doi = {https://doi.org/10.1016/0009-2541(94)90085-x}
}