@misc{indiciaeb36ee7b9caaa,
  title = {Scanning electron microscopes. Fine focus.},
  author = {Mark Fischetti},
  year = {2003},
  doi = {10.1038/scientificamerican0703-84},
  url = {https://pubmed.ncbi.nlm.nih.gov/12840951/},
  note = {Source identifier: 12840951}
}