@misc{indiciaeef55281449bf,
  title = {Optimal control techniques for active noise suppression},
  author = {Banks, H. T. and Keeling, S. L. and Silcox, R. J.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890041291},
  note = {Source identifier: 19890041291}
}