@misc{indiciaeabacf6503dfd,
  title = {A note on "Information conveyed by vowels".},
  author = {P Ladefoged},
  year = {1989},
  doi = {10.1121/1.397821},
  url = {https://pubmed.ncbi.nlm.nih.gov/2525139/},
  note = {Source identifier: 2525139}
}