@misc{indiciaed35ca8bb2e28,
  title = {A microcomputer-based drop counter.},
  author = {J Lee and J Downey},
  year = {1981},
  doi = {10.1016/0160-5402(81)90114-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/6460138/},
  note = {Source identifier: 6460138}
}