@misc{indiciae59e2f41bf58c,
  title = {Analysis of image-based navigation system for rotorcraft low-altitude flight},
  author = {Sridhar, Banavar and Phatak, Anil V.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920073344},
  note = {Source identifier: 19920073344}
}