@misc{indiciae00dadfe87f84,
  title = {Acoustic prediction methods for the NASA generalized advanced propeller analysis system (GAPAS)},
  author = {Padula, S. L. and Block, P. J. W.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840056499},
  note = {Source identifier: 19840056499}
}