@misc{indiciaea36693283e9c,
  title = {Monitoring grasshopper and locust habitats in Sahelian Africa using GIS and remote sensing technology},
  author = {G. Gray Tappan and Donald G. Moore and Walter I. Knauseberger},
  year = {1991},
  doi = {10.1080/02693799108927836},
  url = {https://pubs.usgs.gov/publication/70179623},
  note = {Source identifier: 70179623}
}