@misc{indiciae91b7549b6e32,
  title = {The Sahelian Zone Remote Sensing Seminar/Workshop at Bamako, Mali, West Africa, April 17-28, 1973},
  author = {Maurice J. Grolier and Raymond W. Fary and Stephen J. Gawarecki},
  year = {1974},
  doi = {10.3133/ofr74196},
  url = {https://pubs.usgs.gov/publication/ofr74196},
  note = {Source identifier: ofr74196}
}