@misc{indiciae838498a9f237,
  title = {A digital timer for on-line interval measurement.},
  author = {J H Kasell and J J Gallagher},
  year = {1981},
  doi = {10.1111/j.1540-8159.1981.tb06217.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6169033/},
  note = {Source identifier: 6169033}
}