@misc{indiciae37b27d8dcb55,
  title = {Structural dynamics, stability, and control of helicopters},
  author = {Meirovitch, L. and Kraige, L. G. and Hale, A. L.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760019103},
  note = {Source identifier: 19760019103}
}