@misc{indiciaefd918afdfc0c,
  title = {General Aviation Interior Noise: In-Flight Source/Verification - Part 2},
  author = {Unruh, James F. and Till, Paul D. and Palumbo, Daniel L.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20020053652},
  note = {Source identifier: 20020053652}
}