@misc{indiciaefc1189a92ff4,
  title = {Noise reduction},
  author = {Chestnutt, D. and Kramer, J. J. and Krejsa, E. A. and Lucas, J. G. and Rice, E. J.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710009982},
  note = {Source identifier: 19710009982}
}