@misc{indiciaeb29c23878861,
  title = {Active noise control using noise source having adaptive resonant frequency tuning through stress variation},
  author = {Pla, Frederic G. and Rajiyah, Harindra and Renshaw, Anthony A. and Hedeen, Robert A.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/20080007426},
  note = {Source identifier: 20080007426}
}