@misc{indiciae4f5ea2876688,
  title = {Map showing distribution and classification of felsic plutonic rocks in the eastern Arabian Shield, Kingdom of Saudi Arabia},
  author = {E. A. Du Bray},
  year = {1983},
  doi = {10.3133/ofr83840},
  url = {https://pubs.usgs.gov/publication/ofr83840},
  note = {Source identifier: ofr83840}
}