@misc{indiciaeb07496ba4ad1,
  title = {Recent Developments in U.S. Engine Noise Reduction Research},
  author = {Bridges, James and Envia, Edmane and Huff, Dennis},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20020012423},
  note = {Source identifier: 20020012423}
}