@misc{indiciae6e05318b8c1a,
  title = {Vegetation on the northern Arabian Shield and adjacent sand seas},
  author = {E. Schulz and J.W. Whitney},
  year = {1985},
  doi = {10.3133/ofr85116},
  url = {https://pubs.usgs.gov/publication/ofr85116},
  note = {Source identifier: ofr85116}
}