@misc{indiciae835af007351b,
  title = {Interior noise control prediction study for high-speed propeller-driven aircraft},
  author = {Rennison, D. C. and Wilby, J. F. and Marsh, A. H. and Wilby, E. G.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800016609},
  note = {Source identifier: 19800016609}
}