@misc{indiciae63706362f8cb,
  title = {Multi-sensor, high speed autonomous stair climbing},
  author = {Helmick, D. M. and Roumeliotis, S. I. and McHenry, M. C. and Matthies, L.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20060030888},
  note = {Source identifier: 20060030888}
}