@misc{indiciae1f1c44878c19,
  title = {Calculation of unsteady flows in turbomachinery using the linearized Euler equations},
  author = {Hall, Kenneth C. and Crawley, Edward F.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890049545},
  note = {Source identifier: 19890049545}
}