@misc{indiciae0c6a22cd497d,
  title = {Quiet engine test results},
  author = {Ciepluch, C. C. and Montegani, F. J. and Benzakein, M. J. and Kazin, S. B.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730003293},
  note = {Source identifier: 19730003293}
}