@misc{indiciae53e1d9be2ba3,
  title = {An integrated circuit switch for auditory research.},
  author = {H Ludwig},
  year = {1970},
  doi = {10.1007/bf02477250},
  url = {https://pubmed.ncbi.nlm.nih.gov/5491721/},
  note = {Source identifier: 5491721}
}