@misc{indiciaeacebd5c3af2b,
  title = {High-Resolution Digital Elevation Models: Analysis Tools and Applications},
  author = {Farr, T. and Evans, D. and Okonek, S.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20060038732},
  note = {Source identifier: 20060038732}
}