@misc{indiciaea0272d89ff2b,
  title = {Normal hearing threshold determined by manual and self-recording techniques.},
  author = {J J Knight},
  year = {1966},
  doi = {10.1121/1.1910010},
  url = {https://pubmed.ncbi.nlm.nih.gov/5938119/},
  note = {Source identifier: 5938119}
}