@misc{indiciae3ffea529bf4a,
  title = {Terrain evaluation and route designation based on noisy rangefinder data},
  author = {Netch, A. and Shen, C. N.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780059126},
  note = {Source identifier: 19780059126}
}