@misc{indiciae3e1642f736d2,
  title = {A study of turbofan-engine compressor noise suppression techniques},
  author = {Elias, I. and Frasca, R. L. and Hoehne, J. C. and Marsh, A. H.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680017299},
  note = {Source identifier: 19680017299}
}