@misc{indiciaee51201538c74,
  title = {X-ray microscopes.},
  author = {M R Howells and J Kirz and D Sayre},
  year = {1991},
  doi = {10.1038/scientificamerican0291-88},
  url = {https://pubmed.ncbi.nlm.nih.gov/2000484/},
  note = {Source identifier: 2000484}
}