@misc{indiciae2bccaf83ea0b,
  title = {Tonographic survey.},
  author = {L V Johnson},
  year = {1966},
  doi = {10.1016/0002-9394(66)91203-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5931263/},
  note = {Source identifier: 5931263}
}