@misc{indiciae8a88de0c743c,
  title = {Low voltage electron microscopy--how low?},
  author = {J E Barth and J B Le Poole},
  doi = {10.1016/0304-3991(76)90054-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/1028204/},
  note = {Source identifier: 1028204}
}