@misc{indiciae2942897c8222,
  title = {Bone conduction calibration: current status.},
  author = {D D Dirks and S F Lybarger and W O Olsen and B L Billings},
  year = {1979},
  doi = {10.1044/jshd.4402.143},
  url = {https://pubmed.ncbi.nlm.nih.gov/502484/},
  note = {Source identifier: 502484}
}