@misc{indiciae3bf3f675f94c,
  title = {Coupled rotor/airframe vibration prediction methods},
  author = {Staley, J. A. and Sciarra, J. J.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740026384},
  note = {Source identifier: 19740026384}
}