@misc{indiciae7b488c289c34,
  title = {Hybrid Active/Passive Jet Engine Noise Suppression System},
  author = {Parente, C. A. and Arcas, N. and Walker, B. E. and Hersh, A. S. and Rice, E. J.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990032037},
  note = {Source identifier: 19990032037}
}