@misc{indiciaea5e065c1ca0e,
  title = {Digital image enhancement techniques used in some ERTS application problems},
  author = {Goetz, A. F. H. and Billingsley, F. C.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740022717},
  note = {Source identifier: 19740022717}
}