@misc{indiciaea273b105b59b,
  title = {Coupled rotor/airframe vibration analysis program manual manual. Volume 1: User's and programmer's instructions},
  author = {Cassarino, S. and Sopher, R.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820024089},
  note = {Source identifier: 19820024089}
}