@misc{indiciae2bbe3e2fbb29,
  title = {Preliminary sulfur isotope investigations of mineral deposits in the Precambrian shield, Kingdom of Saudi Arabia},
  author = {Ralph Jackson Roberts and Robert O. Rye and Mustafa M. Mawad},
  year = {1978},
  doi = {10.3133/ofr78776},
  url = {https://pubs.usgs.gov/publication/ofr78776},
  note = {Source identifier: ofr78776}
}