@misc{indiciaec55fb5fadee4,
  title = {Jet engine noise source and noise footprint computer programs},
  author = {Dunn, D. G. and Peart, N. A. and Miller, D. L. and Crowley, K. C.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730006981},
  note = {Source identifier: 19730006981}
}