@misc{indiciaeae7cae5b96d3,
  title = {A qualitative appraisal of the hydrology of the Yemen Arab Republic from Landsat images},
  author = {Maurice J. Grolier and G. Chase Tibbitts and M.M. Ibrahim},
  year = {1981},
  doi = {10.3133/ofr80565},
  url = {https://pubs.usgs.gov/publication/ofr80565},
  note = {Source identifier: ofr80565}
}