@misc{indiciae16b821e10d81,
  title = {Flow acoustics in periodic structures.},
  author = {M Willatzen and L C Lew Yan Voon},
  year = {2005},
  doi = {10.1016/j.ultras.2005.04.003},
  url = {https://pubmed.ncbi.nlm.nih.gov/15961133/},
  note = {Source identifier: 15961133}
}