@misc{indiciaeac806f1c8d71,
  title = {Rotor blade dynamic design},
  author = {Pritchard, Jocelyn I. and Adelman, Howard M. and Mantay, Wayne R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900003267},
  note = {Source identifier: 19900003267}
}