@misc{indiciaebd51613ee343,
  title = {Audiometer calibration: two neglected areas.},
  author = {P A Smith and J R Foster},
  year = {1997},
  doi = {10.3109/03005364000000030},
  url = {https://pubmed.ncbi.nlm.nih.gov/9373745/},
  note = {Source identifier: 9373745}
}