@misc{indiciae9ad0bc264a67,
  title = {Sulfur isotope analyses using the laser microprobe},
  author = {W.C. Pat Shanks and D.E. Crowe and Craig A. Johnson},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/70207820},
  note = {Source identifier: 70207820}
}