@misc{indiciaef76bfa81b3e5,
  title = {Proposal for improved techniques in electron microscopy.},
  author = {L M Allen and H W Allen and J J Quilligan},
  year = {1971},
  doi = {10.1016/0022-5193(71)90044-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5555271/},
  note = {Source identifier: 5555271}
}