@misc{indiciaea63afccf8422,
  title = {Finite amplitude waves in two-dimensional lined ducts},
  author = {Nayfeh, A. H. and Tsai, M.-S.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750029801},
  note = {Source identifier: 19750029801}
}