@misc{indiciaea2e5ad3a80a2,
  title = {Progress in remote sensing (1972-1976)},
  author = {W. A. Fischer and W. R. Hemphill and Allan Kover},
  year = {1976},
  doi = {10.1016/0031-8663(76)90013-2},
  url = {https://pubs.usgs.gov/publication/70010913},
  note = {Source identifier: 70010913}
}