@misc{indiciae1f19b8b4ceef,
  title = {Ladar-based discrimination of grass from obstacles for autonomous navigation},
  author = {Macedo, J. and Manduchi, R. and Matthies, L.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20060033755},
  note = {Source identifier: 20060033755}
}