@misc{indiciae2d124badd2de,
  title = {Terrain mapping for a roving planetary explorer},
  author = {Hebert, M. and Caillas, C. and Krotkov, E. and Kweon, I. S. and Kanade, T.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890066063},
  note = {Source identifier: 19890066063}
}