@misc{indiciae655a3df71fd8,
  title = {Some experiments on ear level hearing aids.},
  author = {P Kuyper},
  year = {1977},
  doi = {10.1159/000399486},
  url = {https://pubmed.ncbi.nlm.nih.gov/868705/},
  note = {Source identifier: 868705}
}