@misc{indiciae073b2bda3b5a,
  title = {Electron optical disk.},
  author = {L MARTON and J A SIMPSON},
  year = {1950},
  doi = {10.1063/1.1745492},
  url = {https://pubmed.ncbi.nlm.nih.gov/14808709/},
  note = {Source identifier: 14808709}
}