@misc{indiciae4de782df3b10,
  title = {Airframe Noise Studies: Review and Future Direction},
  author = {Rackl, Robert G. and Miller, Gregory and Guo, Yueping and Yamamoto, Kingo},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20050186546},
  note = {Source identifier: 20050186546}
}