@misc{indiciae6300db8790ad,
  title = {Evaluation of aero Commander propeller acoustic data: Static operations},
  author = {Piersol, A. G. and Wilby, E. G. and Wilby, J. F.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790004686},
  note = {Source identifier: 19790004686}
}