@misc{indiciaeccd46e31ce56,
  title = {Identification of helicopter noise using a neural network},
  author = {Cabell, Randolph H. and Fuller, Chris R. and O'Brien, Walter F.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920045408},
  note = {Source identifier: 19920045408}
}