@misc{indiciae370c5e06b669,
  title = {Capacitance sensing drop counter.},
  author = {D R Kirkby and P J Hillson and C A Mosse},
  year = {1989},
  doi = {10.1016/0141-5425(89)90130-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/2704221/},
  note = {Source identifier: 2704221}
}