@misc{indiciae8a98412941ea,
  title = {A portable, simple sonomicrometer.},
  author = {H F Stegall and M B Kardon and H L Stone and V S Bishop},
  year = {1967},
  doi = {10.1152/jappl.1967.23.2.289},
  url = {https://pubmed.ncbi.nlm.nih.gov/6031199/},
  note = {Source identifier: 6031199}
}