@misc{indiciaeec4f3f6a3786,
  title = {Hearing protector performance--an update.},
  author = {P L Michael and G R Bienvenue},
  year = {1980},
  doi = {10.1080/15298668091425248},
  url = {https://pubmed.ncbi.nlm.nih.gov/7405821/},
  note = {Source identifier: 7405821}
}