@misc{indiciaede8c0233518f,
  title = {Semi-empirical airframe noise prediction model},
  author = {Hersh, A. S. and Putnam, T. W. and Lasagna, P. L. and Burcham, F. W., Jr.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760055086},
  note = {Source identifier: 19760055086}
}