@misc{indiciae9d518685f6cd,
  title = {Blade-vortex interaction noise predictions using measured blade surface pressures},
  author = {Ziegenbein, Perry R. and Oh, Byung K.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880030055},
  note = {Source identifier: 19880030055}
}