@misc{indiciaeadc1acacf013,
  title = {Noise control technology for jet-powered STOL vehicles.},
  author = {Hubbard, H. H. and Chestnutt, D. and Maglieri, D. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720057509},
  note = {Source identifier: 19720057509}
}