@misc{indiciae02cc76116c25,
  title = {Calculating virtual pitch.},
  author = {E Terhardt},
  year = {1979},
  doi = {10.1016/0378-5955(79)90025-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/521399/},
  note = {Source identifier: 521399}
}