@misc{indiciae69404998728e,
  title = {Broadband transducers.},
  author = {T A Whittingham},
  year = {1999},
  doi = {10.1007/pl00014060},
  url = {https://pubmed.ncbi.nlm.nih.gov/10602914/},
  note = {Source identifier: 10602914}
}