@misc{indiciae08f663a658cc,
  title = {Simple, compact visible absorption spectrophotometer.},
  author = {J C Pfeffer and D B Skoropinski and J B Callis},
  year = {1984},
  doi = {10.1021/ac00278a080},
  url = {https://pubmed.ncbi.nlm.nih.gov/6524669/},
  note = {Source identifier: 6524669}
}