@misc{indiciae2c8e5e5723af,
  title = {Flight-Effects on Predicted Fan Fly-By Noise},
  author = {Heidmann, M. F. and Clark, B. J.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780005117},
  note = {Source identifier: 19780005117}
}