@misc{indiciae3b48caa60e96,
  title = {Acoustical variables in open planning.},
  author = {R Pirn},
  year = {1971},
  doi = {10.1121/1.1912506},
  url = {https://pubmed.ncbi.nlm.nih.gov/5087356/},
  note = {Source identifier: 5087356}
}