@misc{indiciaed1d938768886,
  title = {ELECTRONIC SWITCH FOR PULSING SOUND.},
  author = {S DEWIG and F G WORDEN},
  year = {1964},
  doi = {10.1016/0013-4694(64)90134-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/14207700/},
  note = {Source identifier: 14207700}
}