@misc{indiciaeeecfec4e9831,
  title = {THE INTERNATIONAL AUDIOMETRIC ZERO.},
  author = {H DAVIS and F KRANZ},
  year = {1964},
  doi = {10.1177/000348946407300318},
  url = {https://pubmed.ncbi.nlm.nih.gov/14215953/},
  note = {Source identifier: 14215953}
}