@misc{indiciae30c938e6f49d,
  title = {Audiometric earphone calibration using the IEC 303 reference coupler: a cautionary note.},
  author = {T R Sherwood and M S Shipton},
  year = {1987},
  doi = {10.3109/03005368709077778},
  url = {https://pubmed.ncbi.nlm.nih.gov/3828589/},
  note = {Source identifier: 3828589}
}