@misc{indiciaed11d097c813d,
  title = {Precision picogram dispenser for volatile substances.},
  author = {A E O'Keeffe and G C Ortman},
  year = {1967},
  doi = {10.1021/ac60252a037},
  url = {https://pubmed.ncbi.nlm.nih.gov/6042636/},
  note = {Source identifier: 6042636}
}