@misc{indiciae9b0af0acdb37,
  title = {A noise source identification technique using an inverse Helmholtz integral equation method},
  author = {Gardner, B. K. and Bernhard, R. J.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880037647},
  note = {Source identifier: 19880037647}
}