@misc{indiciaea7775c5f7c9a,
  title = {[Problems encountered in sonometry in the SNGB].},
  author = {J Dufaux and N Nordvik},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5121000/},
  note = {Source identifier: 5121000}
}