@misc{indiciae06eb885165ea,
  title = {Ultrasound physics.},
  author = {F Kremkau},
  year = {1991},
  doi = {10.1016/0301-5629(91)90142-j},
  url = {https://pubmed.ncbi.nlm.nih.gov/1949352/},
  note = {Source identifier: 1949352}
}