@misc{indiciae01678e57cd96,
  title = {Structural Dynamics, Stability, and Control of Helicopters},
  author = {Meirovitch, L. and Hale, A. L.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780022196},
  note = {Source identifier: 19780022196}
}