@misc{indiciae61be316cca19,
  title = {Modal element method for potential flow in non-uniform ducts: Combining closed form analysis with CFD},
  author = {Baumeister, Kenneth J. and Baumeister, Joseph F.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19940011326},
  note = {Source identifier: 19940011326}
}