@misc{indiciae757b34b54ab0,
  title = {Sulfur/carbon ratios and sulfur isotope composition of some Cretaceous shales from the Western Interior of North America},
  author = {D. L. Gautier},
  year = {1985},
  doi = {10.3133/ofr85514},
  url = {https://pubs.usgs.gov/publication/ofr85514},
  note = {Source identifier: ofr85514}
}