@misc{indiciaefebdbc829e31,
  title = {A simple physiological recording system.},
  author = {S M Livingstone and D I Crecraft},
  year = {1968},
  doi = {10.1007/bf02478788},
  url = {https://pubmed.ncbi.nlm.nih.gov/5666191/},
  note = {Source identifier: 5666191}
}