@misc{indiciae7f0741baa40a,
  title = {A hearing aid malfunction detection unit.},
  author = {R J Roeser and A Glorig and G M Gerken and R Kessinger},
  year = {1977},
  doi = {10.1044/jshd.4203.351},
  url = {https://pubmed.ncbi.nlm.nih.gov/881816/},
  note = {Source identifier: 881816}
}