@misc{indiciae2127443c3395,
  title = {On drinkometers: problems and an inexpensive photocell solution.},
  author = {B Martonyi and E S Valenstein},
  year = {1971},
  doi = {10.1016/0031-9384(71)90064-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/5134032/},
  note = {Source identifier: 5134032}
}