@misc{indiciae3eb47d0d50d9,
  title = {Helicopter low-speed yaw control},
  author = {Wilson, John C. and Kelley, Henry L. and Crowell, Cynthia A.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930016809},
  note = {Source identifier: 19930016809}
}