@misc{indiciae2983c76385a1,
  title = {NASA LeRC's Acoustic Fill Effect Test Program and Results},
  author = {Hughes, William O. and Mcnelis, Mark E. and Manning, Jerome E.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950007480},
  note = {Source identifier: 19950007480}
}