@misc{indiciaef1c0dece6962,
  title = {Sulfur isotope geochemistry of ore and gangue minerals from the Silesian-Cracow Mississippi Valley-type ore district, Poland},
  author = {D. L. Leach and J.G. Vets and C. A. Gent},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70018673},
  note = {Source identifier: 70018673}
}