@misc{indiciae7025cec28da3,
  title = {A comparison of digital flight control design methods},
  author = {Powell, J. D. and Parsons, E. and Tashker, M. G.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760058515},
  note = {Source identifier: 19760058515}
}