@misc{indiciae80fcf2b1e717,
  title = {Tests Of Helicopter Control System},
  author = {Hilbert, Kathryn B. and Lebacqz, J. Victor and Hindson, William S.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880000342},
  note = {Source identifier: 19880000342}
}