@misc{indiciae46b923ffd013,
  title = {Evaluation of geochemical sampling media in granitoid terrane of the southern Arabian shield, Kingdom of Saudi Arabia},
  author = {E. A. Du Bray},
  year = {1981},
  doi = {10.3133/ofr811293},
  url = {https://pubs.usgs.gov/publication/ofr811293},
  note = {Source identifier: ofr811293}
}