@misc{indiciaed61a52501e17,
  title = {Multiple pure tone noise generation and control.},
  author = {Benzakein, M. J. and Kazin, S. B. and Savell, C. T.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730060051},
  note = {Source identifier: 19730060051}
}