@misc{indiciae1989fbf65c10,
  title = {Electro-optical terrain reflectance modeling - A perspective},
  author = {Smith, J. A. and Cooper, K. D. and Strahler, A. H.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19860034740},
  note = {Source identifier: 19860034740}
}