@misc{indiciae5a949a94cf97,
  title = {Propeller aircraft interior noise model},
  author = {Pope, L. D. and Wilby, E. G. and Wilby, J. F.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840021618},
  note = {Source identifier: 19840021618}
}