@misc{indiciae8753bcee1e79,
  title = {Low tip speed fan noise demonstration program},
  author = {Benzakein, M. J. and Hochheiser, R. M. and Kazin, S. B. and Minzner, W. R. and Motsinger, R. E. and Smith, E. B.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690007132},
  note = {Source identifier: 19690007132}
}