@misc{indiciae3d42546eb236,
  title = {FOCIS: A forest classification and inventory system using LANDSAT and digital terrain data},
  author = {Strahler, A. H. and Franklin, J. and Woodcook, C. E. and Logan, T. L.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820022727},
  note = {Source identifier: 19820022727}
}