@misc{indiciae9ecaf4124410,
  title = {4DoF Drift Free Navigation Using Inertial Cues and Optical Flow},
  author = {Weiss, Stephan and Brockers, Roland and Matthies, Larry},
  year = {2013},
  url = {https://ntrs.nasa.gov/citations/20150008018},
  note = {Source identifier: 20150008018}
}