@misc{indiciae45c89d8fa604,
  title = {Reduced Aircraft-Engine Noise},
  author = {Tanna, H. K. and Brown, W. H. and Tam, C. K.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830000048},
  note = {Source identifier: 19830000048}
}