@misc{indiciae5697d1c3f036,
  title = {Non-linear wave propagation in acoustically lined circular ducts},
  author = {Nayfeh, A. H. and Tsai, M.-S.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740061566},
  note = {Source identifier: 19740061566}
}